Answer:
to prevent European forces on the soil of Americas.
Explanation:
Since the 19th Century and Monroe's doctrine, United States tried to prevent European countries to interfere in the internal conflicts and problems on the American continent. Roosevelt believed that United States are the ones that have the obligation to prevent conflicts and to create a peaceful environment especially in the region of the Caribbean. United States in that sense behaved like a police that will prevent problems.
B weight of gold that should be it
The settlement had negative results for Native Americans. Despite the fact that Native American tribes did every so often shape positive associations with European pilgrims, changeless European settlement in America, in the end, prompted sickness and removal. Local Americans had no insusceptibility to European ailments and their populace was crushed by the presentation of sicknesses like smallpox. After some time, most surviving tribes were persuasively migrated from their conventional grounds to clear a path for extending European settlements.
The correct answer is Thomas Jefferson.
The purchase was negotiated by Livingston and others with France and added 530,000,000 acres to the United States. It was opposed by Federalists in the US.