Describe the conflict between humayun and sher shah​

When Humayun was busy in conquering Gujarat, Sher Shah Suri strengthened his position in Bihar and Bengal. He also cut off his (Humayun) line of communication with Agra. In the Battle of Chausa, in 1539 CE, Humayun troops were defeated by the sudden attacks of Sher Shah Suri's army

Explanation:

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.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.