Which was the most challenging to travelers on the Oregon trail and 1850s traveling across the desert

the answer to this question is the third option. hope this

this is a good question! i'll do some research and come back when i have the answer!

a system of cooperative federalism emerged, as the powers of the federal government expanded.

this is false

richard nixon was the 37th president of the united state and didn't serve as a vice president for any president before him