How can Jackson’s Age be considered modern?

America during the Age of Jackson was a nation brimming with possibility and growing into a golden, young adulthood. Though born far from the wealth of the northern elite, Jackson was able to expand the powers of the President beyond any before him. The result was indelible changes in the government.

Explanation:

b) race riots in several cities

because the vietnam war was fought in an especially brutal and untraditional way