I believe the answer is "b", sorry if i am incorrect.
Answer:
how do i know but
i know that you can do it
But nobody really knows exactly when Jesus was born. Some scholars think that he was born between 6 B.C. and 4 B.C., based partly on the biblical story of Herod the Great
Thomas Jefferson had been interested in exploring the west well before the 1803 Louisiana Purchase for France. During the 1780's and 1790's, he championed a few failed attempts at such an exploration. Believing the United States needed to expand west to help ensure its survival and prosperity, he jumped at the chance to buy Louisiana from France's Napoleon Bonaparte.