choose the correct simplification of the expression(5a2b3)2 (4a5). 100a ^9b^6 40a ^9 b^6 100a^20b^6 40a^20^b^6alegbra1 

World war i brought increased immigration to the united states from which country? germany france italy mexico

In ohio in 1872, the cleveland massacre was a violent labor dispute at standard oil refineries in cleveland. a takeover by standard oil of the refineries in cleveland. an attempt to stop standard oil from becoming a monopoly. a failed attempt by standard oil to take over other refineries.

During the age of global expansion and encounter, many individuals brought about change. how might we prepare for changes today?