puzzle

ACROSS
2		The proportion of births to the total population in a place in a given time, usually expressed as a quantity per 1000 of population
5		A period of 100 years.
8		A woman whose spouse has died and who has not remarried.
11		A room or suite of rooms designed as a residence and generally located in a building occupied by more than one household.
13		A series of actions that produce a change or development.
14		Causing strong feelings of excitement and happiness.
15		Be careful.
16		Put one on other.
18		Domestic animals, such as cattle or horses, raised for home use or for profit, especially on a farm.
19		A social group of any size whose members reside in a specific locality, share government, and often have a common cultural and historical heritage.
20		To comment on; mention.

DOWN
1		Money from the government.
3		Prove something wrong.
4		Fast.
5		A call to engage in a contest, fight, or competition.
6		A person from whom one is descended, especially if more remote than a grandparent; a forebear.
7		Be part of
9		Totally in the very fast way.
10		Collected.
12		Near.
17		The son or daughter of an uncle or aunt.