Carla is involved in a romantic relationship with jack. her costs of the relationship are relatively low and her rewards are very high with this relationship. however, carla has recently met ted, and she believes that he could offer her a relationship with even higher rewards than jack. according to social exchange theory, carla is likely to
a) invest more in the relationship with jack and try to forget about ted.
b) try to maintain relationships with both jack and ted.
c) break up with jack in favor of the relationship with ted.
d) break up with jack, forget about ted, and seek an even more favorable third partner.

A) invest more in the relationship with Jack and try to forget about Ted

Explanation:

inthe social exchange theory, people tend to ceate a cost benifit analysis to figure out what would benefit them the most.

In the above situation, Carla does the same and decides to stick with Jack and invest more. Because on the contrary, if she breaks off with Jack, and initiates with Ted, it would involve a lot of risk , would require more effort by carla, and she would go through emotional turmoil due to breaking up and patching up with new partner, not to mention risk involved with Ted due to the possibility of him being different from what Carla judged him to be.

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.

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average