What was the first industry to be regulated by the united states goverment? a. oil b. meat packing c. steel d. railroads

What is the relation between the hover dam and the gold rush

According to this passage, what can be expected of people appointed as judges temporarily?

Which of the following improved u.s. relations with china? a. the open door policy b. the boxer rebellion c. the burlingame treaty d. the chinese exclusion ac