That’s chipotle is something else
The Atlantic Ocean and the Pacific Ocean. The term Manifest Destiny was first used by John O'Sullivan, a newspaper editor in 1845, to describe the prevailing American mindset that all lands from coast to coast are destined to belong to the United States. This mindset was reinforced by the Lewis and Clark Expedition in the early 1800s, which scouted out the American West and came into fruition with the completion of the transcontinental railroad in 1869.
Weapons in WW1 were being mass produced and of a greater quality than those of wars before. Barbed wire, airplanes, poisonous gas, submarines etc were introduced which revolutionized war today. Trench warfare was countered and is no longer used to fight.
It closed down all trade routes to Asia.