The physical, natural and human sciences experienced the same impulse as technique and industry. In physics, experiences were made with light and electricity. In 1903 Ernest Rutherford discovered the radioactive elements and years later he devised a model of the atom. In 1895, Guillermo Róngten discovered X-rays.
In 1905, <u><em>Alberto Einstein</em></u> based on his mathematical studies revolutionized the conception of the cosmos with his Theory of Relativity, starting point of new investigations. This discovery meant a huge advance in science, comparable to those made by Copernicus, Kepler and Newton.
1. Americans were concerned about the influence and power of big business monopolies.
2. Americans were worried about quality of life.
3. Americans were concerned about finances.
4. Americans were optimistic about the future.
Answer:
The Monroe Doctrine, established by President James Monroe in 1823, was a U.S. policy of opposing European colonialism in the Western ...
Explanation:
