(dont count this-just meeting character requirement) Lack of oil.
Answer:
At least 2/3 the 13 existing states, so 9 or more
The answer may be the underground railroad.
Answer:
A) In 1990, nine thousand Haitian immigrants came to Florida.
Explanation:
Answer:
The effects of World War I gave rise to the Russian Revolution. In February and March 1917, a popular revolution forced the abdication of Tsar Nicholas II and the rise of a provisional government. This government, which kept Russia in the war, was itself overthrown by radical socialists just eight months later.
Truly hope my answer helps you :)