Imagine you are a teacher. You are describing the atomic properties of inert gases to your second-grade class. You have supported your verbal lecture with a paper published in a scientific journal. If your students do not pay attention to the material, it is probably because:

yes i can of course like what is it gonna be about

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.