Which factors led to the end of the Mississippian culture? Check all that apply. Millions of American Indians died from new diseases.
Chiefdoms broke apart as groups separated.
Some people left their villages after chiefs became more powerful.
Some groups moved their villages in order to trade.
Most enslaved American Indians were sent to Europe.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

on my last question

answer; professor;

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws