Barcilona in Spain neither has very hot nor cold climate . Why?

Barcelona is on the sea and has what’s called a Mediterranean climate. This means that autumn, spring and winter can be wet, although temperatures stay fairly mild. The summers are hot and dry. There can be several days a year of extremely cold or hot temperatures; heat is concentrated in July and August, cold weather in late December and through January and February.

Below is a season-by-season overview of Barcelona’s weather, including monthly sunshine and rain patterns, temperatures, and what kind of clothing suits each time of year.

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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