Answer:
I see that there are answers missing but this is a usual question that appears.
Toussaint-Louverture - revolt leader
Napoleon Bonaparte - France leader
Louisiana Territory - area west of Mississippi river
New Orleans - trade center
Sacagawea - Lewis and Clarke guide
Explanation:
Toussaint-Louverture was a general and a leader of Haitian Revolution.
Napoleon Bonaparte was a French general and ruler who at the beginning of 19th Century controlled most of Europe.
Louisiana Territory was a vast area that belonged to France before it was purchased by United States, thus doubling the territory the states.
New Orleans is a famous trade center on Mississippi river.
Sacagawea was a guide of this famous expedition who was only 16 at the time. She even gave birth during the expedition.
D) to prevent neighborhoods from becoming segregated
Easy defeat of foreign invaders is obviously positive, so it couldn’t be a factor that would topple an empire. Security is good.
Manhattan Project
the development of the atomic bomb, the best-kept secret of the war, even Truman didn't know about it when he became president; it was called that b/c it was mainly being worked on at Columbia University in Manhattan
hope this helps!
(: