Ideological divisions within Congress can create gridlock or the need for negotiation and compromise in several ways. For example, if the members of Congress are divided along ideological lines, they may be unable to agree on legislation or other policy decisions. This can lead to a situation where the Congress is unable to pass any bills or take any action on important issues, resulting in gridlock. In order to break this gridlock, the members of Congress may need to negotiate and compromise on their positions in order to find a solution that is acceptable to both sides. This can be a difficult and time-consuming process, but it is necessary in order to overcome ideological divisions and move forward with the legislative process.