What did the treaty of san ildefonso do?
a. it returned the louisiana territory to france.
b. it divided up the louisiana territory between britain and france.
c. it allowed the united states to purchase the louisiana territory.
d. it allowed the united states to enter into negotiations to purchase the louisiana territory.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

b. ensure mutual protection from communism.

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