Who were the two groups of Suffragists, and how were their tactics to gain a woman’s right to vote different?

The national woman suffrage association and American woman suffrage association.

Explanation: The party eventually realized that it needed to escalate its pressure in more aggressive tactics, like picketing the White House over many months, leading to the arrest and imprisonment of many suffragists. Using a variety of tactics, the party successfully pressured the president, members of congress, and state legislators to support of the 19th amendment to the U.S constitution guaranteeing woman nationwide the right to vote.

the answers would be

the first one and the second one