Which feature allowed the city of Rome to be defended? its location on seven hills
its location in a valley
its location on the southern tip of Italy
its location on the Po River

Its location on seven hills

Explanation:

The location of the city of Rome was especially favorable to its early settlers. Located about 18 miles (29 km) inland on the Tiber River, Rome had a route to the sea. However, it was far enough inland to be relatively safe from pirates. It could be easily defended because of its position, built on seven hills. In addition, it was situated where the Tiber River could be easily crossed. Thus, it became a natural crossing point for north-south traffic in western Italy. All in all, Rome had a good central location in Italy from which to expand.

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.

can someone just answer this