President Andrew Jackson<span> was 61 years and 11 months </span>old<span> at his inauguration on March 4, 1829</span>
The US prairies or Great Plains included a large north-south swath of level or slightly rolling grasslands east of the Rockies from central Texas to Manitoba in Canada and included at least parts of Montana, Wyoming, /Colorado and New Mexico, North Dakota, S. Dakota, Nebraska, Kansas and Oklahoma.
Answer:
Because settlers were trying to assimilate Native Americans and moving into their territory without permission
Explanation:
Island hopping.
Because of the Pacific Islands