The series of democratic revolutions that swept the communist world, led to the downfall of the Soviet Union, and opened markets in other nations occurred around .

c

the articles of confederation placed most of the power on the feds

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.

hi, according to my research the answer to the first question would be false. al tabari was the author of the first medical encyclopedia & he was a persian scholar not arab