Who was the first president to be born an american citizen

Martin Vanan Buren was the first president to be born an american citizen.

Explanation:

Unlike the 7 men before him in the White House, Martin Van Buren (1782-1862) was the first president to be born a citizen of the United States and not a British subject.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

debating and finalizing the detail of the policy