Answer:
It will make it hard for the Republican party to win the election for the next couple period.
Step-by-step explanation:
Currently, United States voters generally can be divided into 3 groups:
The left, the Moderates, and The Rights.
The left favors a more progessive legislations and typically aligned themselves with the democratic party. The right favors a more conservative legislations and typically aligned themselves with the Republcan party.
The moderates on the other hand, are groups of voters that can go to either side of the political spectrum.
The attack on Capital which advocated by Trump was seen as extremely unfavorable by the moderates. This make the moderates become much more likely to vote for the Democratic party for several elections period and swing the election in their favor.