Answer:

pac

Answer	Crossword Clue
PAC	..-Man (old video game)
PAC	...-10 (athletic conference)
PAC	Campaign-donor gr.

PAC	DC fundraiser
PAC	..-10 (football conference)
PAC	DC influence group
PAC	Political fundraising gr.
PAC	..-Man (video game)
PAC	Agreement that sounds crowded
PAC	Citizens United, e.g.
PAC	Lobbying org.

PAC	Waterproof boot
PAC	Lobbying grp.
PAC	Lobby
PAC	Lobbying gp.
PAC	D.C. lobby org.
PAC	D.C. group
PAC	NCAA's ..-10
PAC	Lobbying letters

PAC	Lobbyists' org.
PAC	Grp. with lobbyists
PAC	Special-interest group
PAC	NCAA's ...-10
PAC	Pol's cash provider
PAC	Candidate contributors' org.
PAC	Campaign fund-raising org.
PAC	Gp. furnishing campaign funds

PAC	...-12 Conference
PAC	Pre-election ad sponsor
PAC	D.C. donor
PAC	D.C. lobbying gp.
PAC	Influential D.C. gp.
PAC	Cal.'s ocean
PAC	Ore.'s ocean
PAC	..-10 conference

PAC	..-Man
PAC	Fund-raising gp.
PAC	D.C. lobbying unit
PAC	Source of D.C. funding
PAC	EMILY's List, e.g.