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(B) completion of a new rail system
(C) invention of the steam engine
(D) construction of turnpikes
(E) decrease in population
80. Which of the following contributed to the
almost ten-year delay in annexing Texas?
I.
Sectional opposition to the admis-
sion of any more slave states
II.
Desire of most Texans to remain a
free and independent republic
III. Fear that annexation would alien
ate France
(A) I only
(B) II only
(C) I and II only
(D) I and III only
(E) II and III only
81. The chart above most likely refers to
(A) the strength of the United States army
and navy
(B) distribution of population between cit-
ies and farms in the United States
(C) the value of United States imports and
exports
(D) salaries paid to United States senators
and representatives
(E) number of slaves held in Southern ver-
sus Northern states

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U.S History Subject Test
133
ARCO
■ SAT II Subject Tests
w w w . p e t e r s o n s . c o m / a r c o
88. All of the following help to explain the Ameri-
can victory in the Revolutionary War EXCEPT
(A) British military commanders failed to adapt
their military strategies to the terrain.
(B) There was no one center of political au-
thority at which the British could strike.
(C) The British supply lines extended 3,000
miles across the Atlantic Ocean.
(D) The revolutionary movement had wide-
spread support among the American
people.
(E) The revolutionary soldiers were led by
well-trained, professional officers.
89. On April 11, 1951, President Harry Truman
removed General Douglas MacArthur as com-
mander in chief of United Nation’s forces in
Korea because