Complete the text with the past simple or the past continuous form of the verbs in bracrets. history of the usa 1.in 1783,the usa ( (gain) indepence from britain. 2.in 1783 george washington ( (become) the first president of the usa. 3.in 1865, the american civil war ().after that , slavery () illegal. 4. in 1929, usa ( (suffer) a terrible economic crisis caled the great depression. 5.in 2001, terrorists ( (destroy) the world trade center in new york.many people ( (work) there when that happened. in 2008, barack obama () the presidential elections and ( (become) the first black president of the usa. сделайте ! и сделайте перевод , с переводчиком я могу и сам , так что сделайте сами если !