Question

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 (1)... (gain) indepence from Britain.
2.In 1783 George Washington (2)... (become) the first president of the USA.
3.In 1865, the American Civil War (3)...(end).After that , slavery (4)...(be) illegal.
4. In 1929, USA (5)... (suffer) a terrible economic crisis caled The Great Depression.
5.In 2001, terrorists (6)... (destroy) the World Trade Center in New York.Many people (7)... (work) there when that happened.
In 2008, Barack Obama (8)...(win) the presidential elections and (9)... (become) the first black president of the USA.
СДЕЛАЙТЕ ПЖ !!! И СДЕЛАЙТЕ ПЖ ПЕРЕВОД , С ПЕРЕВОДЧИКОМ Я МОГУ И САМ , ТАК ЧТО СДЕЛАЙТЕ ПЖ САМИ ЕСЛИ РАЗБИРАЕТЕСЬ!!!

Answer 1

1- gained 
2- became
3- ended
4- was
5- suffered/ were suffering
6- destroyed, 
7- were working
8- won
9- became