TR made distinction between “civilized”
& “uncivilized” nations
•Based on race & economic development
Civilized nations should intervene in
“backwards” nations
Believer in strong navy
•Asst. Sec. of Navy & author of The Naval War of
1812
•U.S. had 2
nd
largest navy in the world by 1906
TR negotiated peace between Japan &
Russia in 1905 (Russo-Japanese War)
•Made agreement w/ Japan to keep trade open
•Earned him Nobel Peace Prize in 1906
Japan was quickly becoming the leading
power in the Pacific
•Limited some trade w/ U.S.
TR sent “Great White Fleet” around the
world (1907-1909)
•Show of strength, test for fleet, chance to gain public
support for naval build-up
•Stop in Japan
“I hope that we can persuade our people on
the one hand act in a spirit of generous
justice and genuine courtesy toward Japan,
and on the other hand to keep the navy
respectable in numbers and more than
respectable in the efficiency of its units. If we
act thus we need not fear the Japanese. But if
we… show ourselves opulent, aggressive and
unarmed, the Japanese may sometime work
us an injury.”
--President Theodore Roosevelt, June 1905--
Intervention in Latin America
•U.S. navy used to scare Germany after it attacked
Venezuela (1902)
•Took control of Dominican customs in 1903
•Platt Amendment allowed U.S. to intervene in
Cuba
U.S. troops used there in 1906 to stop rebellion
Announced Roosevelt Corollary to the
Monroe Doctrine in 1904
•1. U.S. had right to oppose European intervention
in Latin America
•2. U.S. had right to intervene in Latin American
countries if they were struggling to maintain
order
U.S. would act as international police power
“It must be understood that under no
circumstances will the U.S. use the Monroe
Doctrine as a cloak for territorial
aggression. We desire peace with all the
world, but perhaps most of all with the
other peoples of the American continent.”
--Theodore Roosevelt, 1905--
U.S. hoped to take over French canal zone
for $40 million (1902)
Colombia refused to approve of purchase
though
U.S. then helped organize & support a
Panamanian revolt
•Panama gained independence & gave U.S. rights
to canal; Hay-Bunau-Varilla Treaty
•Canal completed by 1914, under budget
•Canal Zone split Panama in two
“If I had followed traditional, conservative
methods I would have submitted a
dignified State paper of probably 200
pages to Congress & the debates on it
would have been going on yet; but I took
the Canal Zone & let Congress debate; &
while the debate goes on the canal does
also.”
--Theodore Roosevelt, 1911--
Taft’s foreign policy goals:
Increase U.S. investments to undeveloped
regions
•“Substituting dollars for bullets”
Stability in Latin America
•Intervention in Nicaragua
Maintain open door in Asia
•Failed railroad attempt in Manchuria
Wilson had little experience in
international affairs
Carried on Roosevelt & Taft’s approach
•Marines sent to Haiti (1915)
•Military gov’t in Dominican Republic (1916)
•Bought Virgin Islands (1916)
Much political turmoil in Mexico in 1910s
Wilson refused to recognize gov’t led by
Victoriano Huerta
U.S. & Mexico nearly went to war in 1914
Then Wilson supported a new gov’t led by
Pancho Villa, but later rescinded support
•Villa killed Americans in northern Mexico & New
Mexico (1916)
•Wilson sent Pershing w/ 10K men to capture Villa, no
success
Huerta had U.S. sailors arrested in
Tampico (1914)
Wilson used incident as reason to seize
Veracruz
Fighting led to casualties for both sides
Nearly a war
Venustiano Carranza replaced Huerta
The Collapse of Peace
Imperialist ambitions
Nationalism
Militarism
Alliances
•Triple Entente=Britain, France, & Russia
•Triple Alliance=Germany, Austria-Hungary, Italy
Intense rivalries between Germany & Britain, also
Germany & France
Archduke Franz
Ferdinand assassinated
on June 28, 1914 (heir to
A-H throne)
•Assassin, Gavrilo Princip,
was a Serbian nationalist
•Many Serbians hoped to
annex Bosnia
Bosnia was part of A-H empire
Germany & Austria-Hungary attacked
Serbia
Serbia gained Russian support
Germany declared war on Britain &
France
Britain declared war on Germany
WWI was under way
Wilson asked Americans to be “impartial
in thought as well as deed”
British propaganda made Germans look
evil/barbaric
Ignored German blockade & continued
to trade with Britain & France
German’s used submarine warfare, U-
boats
Enemy ships sunk on site
Sinking of the British liner Lusitania
•1,198 deaths, including 128 American deaths
•Ship was carrying munitions
Wilson continued policy of neutrality, but
encouraged preparedness
Much anti-war sentiment from public
Wilson’s 1916 election slogan=“He Kept
Us Out of the War”
•Wilson won close election
After re-election discussed plans for a
postwar world
•Self-determination, league of nations
War in Europe locked in stalemate
•Germans resorted to unrestricted submarine
warfare
•Zimmermann Telegram
Mexico urged to ally with Germans & regain “lost
provinces”
Russian Revolution (1917)
Wilson asked
Congress for war on
April 2, 1917
•“We shall fight for the
thing which we have
always carried nearest
our hearts—for
democracy…”
Congress declared
war on April 6, 1917