Answer:
The economy of the seventies in US was terrible.
There were lots unemployed and prises for things was rising. Rising oil prices highly contributed to economic growth. In the 70s.
Answer:
(See explanation for further details)
Explanation:
Since those cities were communication nodes that eased the expansion of the United States of America to the west, where railway, finnancial and mail services were developed very rapidly and at a gigantic scale, requiring great numbers of workforce.
Answer:
Yes it is, it produced about 148 million metric tons in 2019
Explanation: