Answer:
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.
Explanation:
Samuel Morse was knowed by B. Inventing the telegraph
Ancient Egypt, because it the unification by King Menes and the building of monumental pyramids and temples and last but not least the effective system of medicine.
Answer:
Close to 800 000 people every year, which is one person every 40 seconds.
Explanation:
