¿qué afirmación sobre la economía es verdadera?

r. es el principal determinante de las libertades de las personas.
b. su impacto en las personas es estudiado por sociólogos.
c. existe sólo en países que tienen una división del trabajo.
d. sólo ha estado en existencia desde finales del siglo xix.

where is the diagram

on february 25, 2004, at the time the president of united states of america george bush announced that he supports the constitutional amendment to ban the same-sex marriage. but the possibility was left that states can decide whether they allow civil unions.

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.