Answer:
Slavery in the United States. Black slaves played a major, though unwilling and generally unrewarded, role in laying the economic foundations of the United States—especially in the South.
It would make checks and balances obsolete; one branch (lets take legislative) would be able to do whatever it sees fit without the other two branches balancing out the power. if most of the power shifted to one then the other two cant stop its decisions.
He wanted all black men to be treated equal in all ways as white men, even at the ballot box. Voting was the way that men in a free society can guarantee economic and political freedoms.
Inventions of applicable electricity, steel, petroleum products, led to the second industrial revolution in 19th century, which meant the development of transport: railways, steam ships and development of maritime traffic. They expanded and improved the means of communication, the flow of information became much faster. New ways of producing, selling, and applying new products have been advertised. All this led to a greater supply of raw materials and the production of semi-finished products because the market demands were growing. In cities, there was an increasing demand for labor that was needed to make as much profits as possible. Workers did not benefit from that profit, on the contrary, they were in a more difficult position.
All of this resulted in the occurrence of popular democracy, trade unionism, and communism. Communism is, unfortunately, one of the most important effects.
All of this, it will show, will have a huge impact on the 20th century.
