What factor worked against the unifctaion of germeny and italy

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period?

How did president wilson compensate for the reduced government income resulting from his lowering of tariffs? a. he taxed businesses b. he charged federal interest on loans c. he cut government expenses d. he created an income tax