Why did trade in early jamestown kill off a large amount of settlers?

Who's idea was it for businessmen to use their wealth for the greater good of society? (gospel of wealth ~ap u. s. history

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?

How did the mexican war of independence differ from the american revolution? o a. only the american revolution was concerned with establishing a representative form of government. o b. only the mexican war of independence required military conflict to achieve its objectives. o c. only the american revolution succeeded in replacing a monarchy with another form of government. o d. only the mexican war of independence eliminated spanish colonial control over part of north america.