What nations formed the triple alliance and the triple entente

How was louis and clark expedition event unfolding and what was going on

What was constantinoples government

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.