Which empire was most influential to modern times and why? Greek Empire
Holy Roman Empire
Spanish Empire

Spanish Empire was most influential to modern times.

Because the Spanish Empire became to known as "the empire on which the sun never sets" and it has reached its maximum extent in the 18 century the Spanish Empire in America's was formed after conquering indigenous empires and claiming large stretches of land beginning with Christopher Columbus in the Carribean Islands.

May be this was ur answer

answer: secession

secession, as it applies to the outbreak of the american civil war, comprises the series of events that began on december 20, 1860, and extended through june 8 of the next year when eleven states in the lower and upper south severed their ties with the union. the first seven seceding states of the lower south set up a provisional government at montgomery, alabama. after hostilities began at fort sumter in charleston harbor on april 12, 1861, the border states of virginia, arkansas, tennessee, and north carolina joined the new government, which then moved its capital to richmond, virginia. the union was thus divided approximately on geographic lines. twenty-one northern and border states retained the style and title of the united states, while the eleven slave states adopted the nomenclature of the confederate states of america.

explanation:

the northwest ordinance of 1787 guaranteed basic rights for settlers and banned slavery there.