Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.
Not exactly. There was an exact line. Anything below that line would be slave states. Anything above would not.
McCarthyism was an overzealous attempt to destroy communism from america during the time of the cold war <span />
They spread their religion by missionaries.
The quote gives the people the right to abolish the government as soon as it become destructive to the country and/or its citizens.