Which country or region has led the battle to combat global warming?

Possible solutions for the problem of teacher competency include

A. merit pay B. higher salaries C. master teachers D. all of the above

Nationalism differs from ethnicity in that:

a. it focuses on the national language as the central element of group identity b. it combines group identity with claims to political institutions that correspond to the group c. all nations have political and territorial sovereignty over themselves d. nationalism is the same as patriotism and does not include other elements of group identity like language or ethnicity