What was the main idea of the monroe doctrine 5.01

It was a warning for European countries to stop colonization in the western hemisphere.

Explanation:

Europeans kept colonizing in the western hemisphere and influencing United States affairs, which came off as a threat to the U.S. Therefore the president at the time, President Monroe, made his thoughts and feelings loud and clear to the Europeans, threatening to use force if they tried to establish a colony.

nope.

explanation:

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.