Why producers sometimes they cannot determine their price​

Producers won't always be able to sell their products at higher prices, because of quantity-demanded. ... Consumers will always want to buy more products for less money, but producers will always want to sell more products for more money.

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

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