Hello
painting techniques is the most likely answer because it has nothing to do with the scientific revolution, but all of the others do.
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Kamikaze aircraft were essentially pilot-guided explosive missiles, purpose-built or converted from conventional aircraft. Pilots would attempt to crash their aircraft
Capitalists control free enterprise that mean a communists countries control economy so it would be A
I don't think it should be taken at face value because those ways could be the main ways to earn money, but it could probably be the least reliable or successful ways. This sentence could just be a lie taken literaly in which has a hidden meaning. This could be a meaning that you might not get, in which will leave you ripped off.
A representative democracy would involve Representatives, who were elected by citizens, deciding laws