Hundreds of different types live on our teeth, gums, tongue and other places in our mouths. Some bacteria are helpful. But some can be harmful such as those that play a role in the tooth decay process. Tooth decay is the result of an infection with certain types of bacteria that use sugars in food to make acids. Over time, these acids can make a cavity in the tooth. Back to Top. What goes on inside our mouths all day?
1830 Jackson supporters and Congress push through the Indian Removal Act it forced many Native Americans to move west of the Mississippi whites do not mind turning the island â¦ over to Indians because they thought the region was a vast desert.
In 1830, the U.S. Congress passed the Indian Removal Act, authorizing the government to relocate Native Americans from their homelands within established states to lands west of the Mississippi River, accommodating European-American expansion.n June 2, 1924, U.S. Republican President Calvin Coolidge signed the Indian Citizenship Act, which made all Native Americans born in the United States and its territories American citizens. Prior to passage of the act, nearly two-thirds of Native Americans were already U.S. citizens.