Why was the united states concerned when iraq invaded kuwait in 1990?

Why did leaders such as siddhartha gautama abandon hinduism to createbuddhism around 500 bce:

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a.three-fourths of both houses of congress. b.three-fourths of the state legislature approved it. c.two-thirds of the state legislature approved it. d.ratifying conventions in three-fourths of the states approve it.

What does the timeline above show about the consequences of the persian wars? a. each city-state of greece had equal influence after the wars. b. athens and sparta continued attacking persia after the wars had ended. c. persia continued to dominate greece for years after the wars. d. the alliance between athens and sparta ended shortly after the wars.