According to Article II of the Constitution, one of the president’s duties is to
serve as commander in chief.
create laws and interpret them.
set up and manage the courts.
serve in the House and Senate.

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

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

the density would be a smaller number.