The event that triggered world war i was:

trouble in morocco
renewed secret diplomacy
the murder of archduke ferdinand
alsace-lorraine

How did slavery end in the united statesa. it ended with the emancipation proclamationb. it ended when the union won the civil warc. it ended with the fifteenth amendmentd. it ended with the 13th amendment

Why do many scientists suppose the land bridge theory of migration?

John locke believed there was a social contract between a govemment and its people. what were the details of this contract?