Select the correct answer. What formed the Great Rift Valley?

A.
volcanic activity and tectonic movement
B.
a massive earthquake 200 years ago
C.
a mountain range west of the valley
D.
a massive basin in the valley's center

During jefferson's administration, which of the following represented his tenure? a) he believed the power of his gov depended upon his popularity b) jefferson thought that the strength of his government depended its use if force c) she refused to add territory to the u. s without approval of the states. d) jefferson though of “hands off” approach to the states and less power in the cen. gov. would benefit the nation