About 300 arrests were made Monday at the U.S. Capitol, bringing to more than 1,200 the total number of arrests made in connection with demonstrations that have been held there since April 11.

The total is one of the largest in any protest here in years.

The groups involved in the protests, which assembled under the names “Democracy Spring” and “Democracy Awakening,” said they are trying to persuade Congress to enact campaign spending reforms and to protect voting rights.

Among the measures sought are those that would curb the influence of money in politics, and end such tactics as gerrymandering.

The Ben & Jerry’s ice cream website said the company’s cofounders, Jerry Greenfield and Ben Cohen, were among those arrested.

The Capitol police said Monday’s arrests came at the East Front stops. Those arrested were charged under laws banning crowding and obstructing, the police said.