What was the most important event during the period of european invasions

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu, his summer palace

Pls which of the following political figures was a strong supporter of the second bank of the united states. a. john c. calhoun. b. henry clay. c. andrew jackson. d. martin van buren.

Which of these is not a purpose of the constitution as explained in the preamble? • to make a better country • to keep states more powerful the the u. s. • to keep peace in the country • to protect freedom