Which was a requirement of the Clean Air Act? Car manufacturers had to make smaller cars.
Cleaner-burning gas had to be used in cars.
Drivers had to drive shorter distances.
Car manufacturers had to make electric cars.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.

What is the tallest mountain range in south america? a guiana highlands b the patagonia mountians c the andes mountians d brazilian mountains

How does the balance of trade look different in the us today vs hot it looked in the 70's