The correct option is THE SOCIAL DARWINISM MOVEMENT.
The social Darwinism movement refers to the application of biological natural selection to the behavior of people and the society. The Darwinism movement holds that in the society, the rich are the fit while the poor are supposed to be wiped out because they are unfit. This idea was rampart in the USA during the gilded age and it affected many things including public health, it ultimately gave birth to the field of social work.<span />
The correct option is: "Rapid industrialization"
The twentieth century was characterized by advances in technology, medicine and science; the end of slavery in the so-called underdeveloped countries; the liberation of women in most of the Western countries; but more than anything because of the growing development of the industry, converting several countries, including the United States, into world powers.
The Legislative branch consists of two parties: the Senate and the House of Representatives.