16. classify the following processes into physical or chemical changes:

(i) beating of aluminium metal to make aluminium foil.

(ii) digestion of food.

(iii) cutting of a log of wood into pieces.

(iv) burning of crackers.

Physical changes include beating of aluminium metal to make aluminium foil and cutting of a log of wood into pieces.

Chemical changes include digestion of food and burning of crackers.

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 atm that sounds like it should be the answer