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.
The American Revolutionary War and United States' independence pushed them further west. In the 1860s, the United States government sent most Lenape remaining in the eastern United States to the Indian Territory (present-day Oklahoma and surrounding territory) under the Indian removal policy.