B) African Americans were prevented from leaving the plantations where they had been enslaved.<span />
= 7.100 x 10 -5 is the answer
<span>One of President Theodore Roosevelt's most lasting and significant contributions to the world was the permanent preservation of the some of the most unique natural resources of the United States. According to the National Geographic, the area of the United States placed under public protection by Theodore Roosevelt, as National Parks, National Forests, game and bird preserves, and other federal reservations, comes to a total of approximately 230,000,000 acres or about 84,000 acres per day!</span>
Explanation:
The Weimar Republic was the German state from 1918 to 1933, as it existed as a federal constitutional republic. The state was officially named the German Reich, and was also referred to as the German Republic. The first term refers to the city of Weimar, where the republic's constituent assembly first took place.
