The United States won its War of Independence with the help from______.
A. Spain
B. Holland
C. France
Denmark
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In the United States, ______is the fastest growing fuel.
A. natural gas
B. coal
C. oil
D. hydropower
The capital and the largest city of Hawaii is______, with more than half of all Hawaiians
A. Denver
B. Juneau
C. Honolulu
D. Olympia
The national flag of the United States is called "the Stars and Stripes", with______ stars
A. 51, 12
B. 50, 13
C. 51, 15
D. 50, 12
By the end of the 19th century the colonial possessions of Britain covered about______of the worlds population and area, which was called the empire "on which the sun never sets".
A. one third
B. a quarter
C. one fifth
D. one sixth