How is changes in technology during the twentieth century effect our life?

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)

Who were the only people that were not allowed to be a citizen in the roman empire

Brainliesttt asap!me : describe the responses to terrorism in the united states.