Builders had to adapt to geographical features like waterways in the East along with deep valleys and tall mountains in the west. What did they build to help adapt to these geographical features?

All state and federal officials are required to take an oath to support the constitution. select the best answer from the choices provided t f

How and why did the policies of the federal and state governments toward native american people change between 1790 and the 1850s. what were the reaction of native american people to these policies?

Production possibilities graphs economists see different ways to use an economy’s profits