For example, they assist in recruiting qualified candidates; they establish "leadership PACs" to raise and distribute funds to House candidates of their party; they try to persuade partisan colleagues not to retire or run for other offices so as to hold down the number of open seats the party would need to defend; they coordinate their campaign activities with congressional and national party campaign committees; they encourage outside groups to back their candidates; they travel around the country to speak on behalf of party candidates; and they encourage incumbent colleagues to make significant financial contributions to the party's campaign committee. "