Answer:
B
Explanation:
Eisenhower attempted to stop the spread of communism during the Cold War (this is called containment). The US feared that if one country started toward communism, other would follow suit.
What do you need to know about the Indus River Valley people?
Answer:
Controlling fire is important because not doing so can cause even more catastrophic damage than has already been done. Take California historically, for example. In the past, they've had millions of acres destroyed by wildfires, and that was while they were being contained. Imagine if they weren't, How much more *could* it have done?
It was free labor for the owners