How to build democracy?

The construction of democracy is based on the recognition of the equitable participation of women and men, as a fundamental requirement to guarantee the economic, political and cultural development of society.

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

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.