Answer:
A.
They began to display merchandise in departments.
B.
Customers were allowed to browse through the merchandise.
D.
Customers paid higher prices to be able to shop in the fancy store.
Explanation:
they are all the anserwers
Approving international treaties is an exclusive power to the Senate.
Answer:
Yes.
Explanation:
The thirteen colonies included Delaware and New York.
Answer;
They became rich by building monopolies
Explanation;
-America's tycoons in the 19th and early 20th centuries, nicknamed as "robber barons," built massive empires and accumulated unprecedented wealth.
-Many of these men gained their vast fortunes either at the expense of their factory workers or by methods that were considered unscrupulous even back then, a time when insider trading wasn't yet outlawed.
-However, some of them also gave away their fortunes to build universities, hospitals, libraries, and museums that still dot America today.