Addresses difficult issues such as the nature of life, the nature of death, what sort of life is worth living, what constitutes murder, how we should treat people who are especially vulnerable, and the responsibilities that we have to other human beings.

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.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.