His results gave the first evidence that atoms were made of smaller particles. Specially, he proved the existence of negatively charged sub-atomic particles known as electrons.
Capitalism: is an economic system in which the factors of production are privately owned and money is invested in business ventures to make a profit.
(Basically Capitalism referred to people who believed that the government should not interfere with businesses)
Socialism: the factors of production are owned by the public and operate for the welfare of all.
The main difference between the two was that in capitalism, business owners wanted to run everything themselves. They didn't want help from the government at all. Socialism was when the people wanted "some government" involved within the businesses. In summary, the main difference is the amount of government that was allowed to take over in a business.
DENADA ESPERO QUE ESTES BIEN
It would be the "Ku Klux Klan" that is considered to be a domestic terrorist group, since they have a long history of intimidating people (especially blacks and Jews) with whom they disagree and degrade.