The process of allocating congressional seats among the 50 states is called

The process of allocating congressional seats throughout the 50 states in the United States is called "reappointment." In 1929, Congress passed a bill known as the Reappointment Act of 1929. The act combined pulling numbers from the US Census and a reapportionment bill. The purpose was to find a permanent method for apportioning the congressional seats.

The third one would be the answer