What was one development in education policy during the 20th and 21st centuries?

A. The role of standardized testing varied over time.

B. A law that made it illegal to fire teachers was repealed.

C. Public schools were forbidden from charging attendance fees.

D. The federal government began running its own schools.

A. The role of standardized testing varied over time

Explanation: Ap ex approved

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.

answer: intercourse

hope this