Galileo used more advanced technology to find stronger observational evidence than copernicus was ever able to provide
I think it would be the diversification of races and culture that the United States have today. Immigration have changed and shifted United States in politics, economics, social and culture that enables the US to be what it is today. Diversification plays a significant role in the US because it shifted the policies of the country and it makes the country more flexible and achieve a level of prosperity and progress in all aspects.
Answer:
In 1818, the United States and Britain agreed to occupy Oregon Country jointly. Spain and Russia had few settlers there, so they withdrew their claims to Oregon Country region's vast forests, trapping animals and living off the land. They were known as mountain men
