The royal councils in 18th century colonies held judicial, legislative & executive powers & the governor's chief advisory board.
The correct answer for the question that is being presented above is this one: "the asthenosphere applies a force of equal magnitude upward onto the tectonic plate."According to Newton's 3rd Law, which can be described asthe law of action-reaction, the asthenosphere applies a force of equal magnitude upward onto the tectonic plate.
Unions played a very important role in improving wages, and work conditions. They outlawed child labour, and made work days 8 hours instead of 12. Unions started to improve safety and work conditions. They also worked towards equal pay for women. There is so much more unions have done, these are just a few small examples.
I hope this helps.
B. true
The oxford english dictionary does offer some information about the etymology of a word, so it is a good place to start when trying to learn the history of a word.