Final answer:
The Reapportionment Act of 1929 was passed to address unequal representation in the House of Representatives by adjusting the number of representatives in each state based on population changes.
Step-by-step explanation:
The Reapportionment Act of 1929 was passed by Congress to address the issue of unequal representation in the House of Representatives. The act aimed to adjust the number of representatives in each state based on population changes revealed by the U.S. Census Bureau data. By capping the number of seats in the House at 435, the act ensured that the number of representatives would be proportionate to the population of each state, thus providing a fairer apportionment of seats.