All of the items below have influenced increases in the president's power except which one?
a. the presidents themselves
b. supreme court rulings
c. the people's changing expectations
d. wartime situations

a is the answer because the president doesn't have that much power himself he would need the court too

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 consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.