Why did the Americans and Mexicans come to the Mexican Texas in the 1820s?

Please help asap

Brainliesttt !me : ) what brought about the end of the soviet union?

Which foreign policy initiative countered the spread of soviet influence by restricting the spread of communism? a. roosevelt corollary b. truman doctrine c. nullification proclamation d. good neighbor policy

Which were the most important issues during the presidential election of 2008? a.economic downturn and environmental protection b.two overseas wars and economic downturn c.two overseas wars and campaign spending d.environmental protection and campaign spending