The tsar lost control of his soldiers during the February Revolution and could not enforce his rule, so he was forced to
A)flee Russia.
B)step down.
C)establish a new government.
D)lead a militia to fight to regain power.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;