Answer:
1. Three-Fifths Compromise. 
2. The Great Compromise. 
3. Origination Clause. 
4. Electoral College. 
Step-by-step explanation:
1. Three-Fifths Compromise: representation of slaves in the South. 
The Three-fifths Compromise was a compromise reached among delegates who came from the southern and northern states during the United States Constitutional Convention which held in 1787. 
2. The Great Compromise: state representation in the legislature.
3. Origination Clause: introduction of revenue bills. This is contained in Article I, section 7, clause 1 of the constitution of the United States of America; stating that all revenue bills must originate from the House of Representatives. 
4. Electoral College: concern over the presidential election. They are saddled with the responsibility of electing the president for the United States of America after the citizens cast their vote.