Solve these clues to fill the grid.
- A mathematical relation such that each element of a given set is associated with an element
- 4 Across
- The defensive football players who line up behind the linemen
- 6 Across
- Of or in or along or relating to a line
- 8 Across
- A body of people who ___ far from home but maintain ties with their homeland
- 9 Across
- Having to do with the body
- 12 Across
- A preliminary election where delegates or nominees are chosen
- 14 Across
- Any of the regions of the surface of the Earth loosely divided according to latitude or longitude (plural)
- 15 Across
- To distribute loosely
- 1 Down
- Something visible that by association or convention represents something else that is invisible (plural)
- 2 Down
- Whether it's rainy, sunny or windy outside
- 3 Down
- The number of inhabitants in a given place
- 5 Down
- A series of ordered groupings of people or things within a system
- 7 Down
- The cardinal compass point that is at 90 degrees
- 10 Down
- An imaginary line around the Earth parallel to the equator
- 11 Down
- The cardinal compass point that is at 0 or 360 degrees
- 13 Down
- The region of the United States lying to the ___ of the Mason-Dixon line
- 16 Down