<span>In 1816, John C. Calhoun introduced a new proposal for federal aid for road and canal construction. Failure to link the nation together with an adequate system of transportation would, Calhoun warned, lead "to the greatest of calamities--disunion." "Let us," he exclaimed, "bind the republic together with a perfect system of roads and canals. Let us conquer space." Narrowly, Calhoun's proposal passed. But on the day before he left office, Madison vetoed the bill on constitutional grounds</span>
The most recent refugee crisis would be Syria.
The correct answer is the 1st answer choice I believe.
Hope this helps you!! (:
The urban included the bourgeoisie and wage laborers. The rural included peasants. The French estates of the realm system were based on massive social injustices that were one of the key factors leading up to the French Revolution.