The correct answer is letter D
The following of world war 2
The Progressive Era Conservation Movement was a social movement taking place during the late 19th and 20th century that saw a resurgence in environmental conservation following the drastic exploitation of natural resources in the United States. Supporters of this movement included President Theodore Roosevelt who created state entities to preserve natural resources and lands.
The Hetch-Hetchy debate discussed the incorporation of water resources into San Fransisco's city planning, specifically the damming of an important river in Yosemite in order to grow the new city or the conservation of wild lands. Congress debated the issue, pitting conservationists and preservationists against one another, eventually, conservationists were victorious seeing a dam built in the Hetch Hetchy Valley.
The answer is each country has its own system because of different cultures because the world of that was
Answer
Explanation:
The 19th century began on January 1, 1801, and ended on December 31, 1900. The term is often used to refer to the 1800s, the century between January 1, 1800 and December 31, 1899. The 19th century was the ninth century of the 2nd millennium.
