Plz fast what discoveries persuaded some people to move west to seek their fortunes in the late 1800s 1 lead and tungsten 2 oil and coal 3 silver and uranium 4 copper and gold

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

What was one of the difficulties adams faced as president? a. european countries were trying to move back in on u.s. lands b. possible war with england; fighting between political parties c. problems with spain; trade disputes with russia d. census issues; problems with selecting a new capital

How does the balance of trade look different in the us today vs hot it looked in the 70's