IV- Grammar: use the comparative form
American students think their fathers are ......
Segregation was
*********
.....….....
The Russians thought they were....................(strong)
The USSR was a
..(big) nation
(-big).
The USA were
(good) at maths.
..(bad) in the southern states than in the northern states.
************
**********...
......(strong)
********
and..........
and ........................(powerful)
the United states of America.