The Portuguese introduced guns to "Japan," in 1542 after a storm blew them off course, since the Japanese were very interested in purchasing these superior weapons.
Explanation:
Early working conditions were so harsh that nearly all skilled American workers deserted within a year. As work on the canal progressed, however, the Isthmian Canal Commission improved facilities and provided incentives for workers to stay.
The answer is A
The right was passed by Congress on June 4 1919.
Monroe doctrine
Monroe doctrine warns European countries to not colonize or puppet monarch