Which of the following was seen as a threat to american safety in the eastern areas? blacks women native americans immigrants

Native Americans

Explanation:

In the early years of the colonies and settling in the land that now forms the United States of america the original inhabitants were the native americans so the new settlers saw them as a threat of safety and with good reason the native americans were being ejected from their land and their homes, naturally they´d fight back and attack the new settlers, and when that happened they became a threat for the new settlers that arrived to the eastern land of america.

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.