<span>Having a large ocean on each side of the country made early Americans consider isolationist policies in regards to their relations with other nations. The oceans have served as a natural defense against others for centuries.</span>
Strike ended when federal troops were involved. Set an important precedent. Companies appealed to the courts for help (injunction). Government usually supported the opposition to union and continued for the next 30 years. Read more on Brainly
I'm pretty sure it was just A but I could be wrong.
THE GUNPOWDER EMPIRES
The era between 1450 and 1750 saw the appearance of several land-based empires who built their power on the use of gunpowder: the Ottomans and the Safavids in Southwest Asia , the Mughals in India , the Ming and Qing in China , and the new Russian Empire.