The Progressives.
Progressivism aimed to improve society by various reforms, and improving dangerous working conditions was a key concern during the Progressive Era (roughly the first two decades of the 20th century). Progressives used methods like settlement houses to try to provide better social care for poor urban workers. The labor union movement was also a part of the Progressive agenda.
Answer:
In 539 BCE the empire fell to the Persians under Cyrus the Great at the Battle of Opis. Babylon's walls were impregnable and so the Persians cleverly devised a plan whereby they diverted the course of the Euphrates River so that it fell to a manageable depth.
Explanation:
<span>The first human-made satellite was put into space by the "C. Russians". It was named "Sputnik" and it began the "Space Race" competition with the United States. </span>