In 1770, who did the grandson of Louis XV marry? What did this marriage symbolize?

Brainliestttme : ) why was the launch of sputnik in 1957 important? -most in the u. s. had not thought the soviets were capable of producing satellite technology. - it made clear that the u. s. space program was dominant. - most in the soviet union had not thought the u. s. was capable of launching manned aircraft. - it established the fact that a more dangerous hydrogen bomb could be created.

Ineed to try to get this right so i can get a good grade so can someone me

How might the first nations have reacted when they saw that the europeans were moving onto their lands and disrupting their way of life? (this was when the europeans came to canada and tried to claim land to themselves)