What did president johnson announce to the american people during his television address on march 31, 1968? select all that apply.

president johnson announced to the american people during his television address on march 31, 1968 that he had ordered a partial bombing halt over north vietnam.

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.