Tell me its urgent for me plz

The defense of marriage act did not do the following: question 3 options: a) prohibited states from performing same-sex marriages. b) allowed states not to recognize same-sex marriages performed elsewhere. c) excluded polygamy from the definition of marriage. d) prohibited the federal government from recognizing same-sex marriages.

What from the columbian exchange had perhaps the biggest impact on the world?

Only 1 vote per state regardless of size why is this a problem