For #1 it is C. They kept expanding into Native American’s land. The natives didn’t like that so that led to many conflicts.
For #2 it is D. People could get to destinations a lot faster and cheaper so it led to spread of people and ideas. It also led to goods being easier to transfer to new markets for new business opportunities.
<span>he passed the bill and was able to work with congress</span>
C. Nuclear power provides electricity at the lowest cost.