The correct answer is C - glossary. The glossary gives definitions of important terms within a text.
The sex ratio – the share of the population that is female – varies across the world. And globally in 2017 the share of women in the world was 49.6%.
The National Defense Act of 1916, Pub.L. 64–85, 39 Stat. 166, enacted June 3,1916<span>, was a federal law that updated the Militia </span>Act<span> of 1903, which related to the organization of the military, particularly the </span>National<span> Guard.</span>