What actions led to the westward expansion of the United States in the late 1700s and early 1800s?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period?

The indian national congress and the indian national army were the two wings of the freedom movement in india. a. which of these would you have joined? give reasons for your answer. b. why according to you was the indian national army not able to reach where it actually wanted? answer it quickly plsss

Why did reagan have the united stars invade grenada