Answer:
C. The hostages were held in Iran for more than a year and could have come home sooner.
D. Carter should have focused more on US policies rather than dealing with international disagreements.
Explanation:
Answer:
The answer is D
Explanation:
Being in a valley results in air pollution being contained to an area.
Invention of new weapons/gases was HUGE, but Disease and famine was also a large factor
With new technological advancements there was no longer a need for as many workers and companies could now pay workers less due to the job being easier, in some countries such as England or the US this lead to revolts and rebellions, the likes of which paved the foundation of communism
