Answer:
Child labor was virtually eliminated when, for the first time in history, the productivity of parents in free labor markets rose to the point that it was no longer economically necessary for children to work in order to survive.
Answer:William Henry Harrison
Explanation:William Henry Harrison, an American military officer and politician, was the ninth President of the United States (1841), the oldest President to be elected at the time. On his 32nd day, he became the first to die in office, serving the shortest tenure in U.S. Presidential history.
The Chinampas were man made
The Spanish-American War was an 1898 conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America.
