Why did early american cultures decline

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

What is the definition of evolution

Which is guaranteed by the fifth amendment? o a person will have a speedy trial. or a person can refuse to testify against himself or herself. a person can not be forced to testify against his or her spouse. a person has the right to a trial by jury