The Union of Soviet Socialist Republics later dissolved into fifteen independent countries in 1991.Three of the them, Estonia, Latvia and Lithuania declared their independence even before the demise of USSR in September 1991. The basic on USSR countries are here!
He was banned because he was found guilty in court. He was found guilty of spreading "dangerous" ideas. He was against cruel punishment.
Government posters used propaganda such as the iconic uncle sam, freedom gardens, and the liberty bonds to get American people to support the war effort
The US role played in the Vietnam War was C. The US became involved because they feared that other countries would fall to communism like dominoes. The Vietnam War was the longest war fought by the US in its history until the War in Afghanistan surpassed it recently. Involvement began slowly at first but gradually ramped up resulting in a widespread feeling of war weariness in the US where activists began to actively oppose war efforts and speak out against involvement on the whole.
D) Increased immigration in industrial areas.
By 1890, production by factories in American had grown eight times larger than what it had been before 1860. A large part of the workforce came from immigrants coming to the United States and settling in cities, looking for jobs. Ireland was one example of a country from which many immigrants came, looking for work in America, after the devastation of famine in Ireland (especially from potato crop failures).