Which roman emperor built a massive wall across northern britain in 122 a. d.?

Brainliesttt !me : ) how did the japanese economy recover so quickly after world war ii? mass immigration to japan in an effort to rebuild economic and educational reforms passed by the government an economic partnership with korea and china marshall plan dollars stimulated the japanese economy

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million

Brainliesttt !me : ) what brought about the end of the soviet union?