Hurricane Katrina disaster relief
(person above is correct) -_-
Answer:What was the most significant impact of African, European, and North American cultures converging in the 16th century? In ancient times, migrating people settled the Americas. Their descendants developed diverse Native American cultures in varied landscapes
Explanation:
American colonies eventually become independent creating the United States of America and establishing their own laws.
The speed of a planet increases since the pull of gravity is stronger.
Id say B is the answer. Progressive Era.