How did geography affect early african kingdoms?

natural resources brought wealth and power.

desertification extended the growing season.

the great rift protected them from attack.

seismic activity prevented invasions.

Natural resources brought wealth and power.

Explanation:

Natural resources brought wealth and power.

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.