Which evidence provides the best evidence to support the conclusion that spanish exploration and settlement had a devastating effect on the mississippian chiefdoms of the south east

During the two centuries following the discovery of the New World, over 90% of the native population were killed by disease and warfare.

to answer this question you need to explain more

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.