Some would argue the Soviet Union, while others say the US. It depends how you look at the question. There are certain things that prove it was the fault of one while some prove it was the fault of another.
Answer:
The first sentence:
"Californians care more about the environment than anyone else in the world"
because it is a blatant opinion full of loaded words and a superlative.
Answer:
d. fully embraced the expanded powers of the federal government born during the Civil War.
Explanation:
Radical republican refers to a faction of the republican party members who were extreme in their policies during the American Civil War. This group largely contained politicians from northern free states. They championed the rights of Blacks, took staunch stand-towards prohibition of slavery, and enfranchisement of the blacks citizens. They blame the South for the war and destruction it brought. The group was dissolved by 1870's, accomplishing almost all their goals.
Easy cases are almost always resolved correctly by lower courts. If there doesn't appear to be a possibility of the lower court having made an error, the Supreme Court will decline to hear the case. Also, the Supreme Court has far too little time to hear every case sent to it, so it will tend to turn down cases that don't deal with important and difficult Constitutional issues.
Because they could be biased and strongly opinionated and also the primary source does not have the benefit of hindsight and is therefore not a valid interpretation and less credible