<span>On historically in the 1970s that creates so much social upheaval in America was </span>The Black Nationalist movement grew out of frustrations with the "non-violent" strategies of earlier Civil Rights Activists.
hope this helps
Yuri Gagarin was a cosmonaut for the Soviet Union. On April 12, 1961, he became the first person to travel space
Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.
