Well, i think the answer would be : Standardized weight and measures
Standardized weight and measures first developed by the muslim merchants in Cairo. Before this standard, Length was measured by the length of one's body.
For example to measure silk, the usually used the term such as 1 arm length.
The thing is, many traders started to hire shorter people to measure this to gain profit , making exchange often became problematic
hope this helps
By 1963 the right of free voting hadn't been achieved by the civil rights movement. The decade of the fifty's was a continuous fight against the segregation in school and public areas, Martin Luther King Jr. began with pacific protest over discrimination, reaching the maximum national attention in 1963 in the Washington march. Was until 1965 that the voting right act was signed.
( Btw. Have anymore questions. I can help you :D )
Perestroika was the name given to the movement calling for reform of the communist party in the Soviet Union during the 1980s. The ultimate goal was to restructure the political and economic system within the Soviet Union so that it could be more effective and provide for the needs of the Soviet's citizens.
Germany, Austria-Hungary, Russia i remember this from last years history :D
