Proximity means how close something is; closeness.
Answer: The Europeans brought sicknesses and diseases from Europe to the New World and it devastated countless Native American cultures and tribes because their bodies weren’t prone to the diseases like the Europeans were. It was natural bio weaponry. The Europeans also tried to make the Native Americans into slaves, but their immune systems weren’t strong, so They died. This lead to the Europeans bringing in African Americans as slaves.
All matter inside a black hole is theorized to be located at a single point at the very center of the black hole called the gravitational singularity. The black hole had remained a mystery for many years. At the point of gravitational singularity, it has been seen that space time curvature becomes infinite.
The Indian Removal Act was signed by Andrew Jackson and it was a law that was supposed to call for the "voluntary" removal of Indians from their land. The United States wanted to expand and use their land, and ended up forcefully removing them and resulted in the removal of most Indians from the states altogether. Hope this helps! :)