The constitution established that Congress was to be bicameral. This means that there would be two chambers or houses : the House of Representatives and the Senate. It also created the executive branch of the presidency.

Various facts:

Article I

• Members of the House of Representatives are elected every 2 years.
• For those who are to sit in the House, the constitution requires them to meet these qualifications; they must be over 25 years old, a citizen of the US for 7 years and they have to be an inhabitant of the state they represent.
• The number of representatives from each state depends on the state's population.
• The terms of office for senators is 6 years.
• The constitution requires those who are to be senators to have the qualifications - they have to be 30 years old, they have to live in the US and they have to live in the state they represent for 9 years.
• 2 senators represent each state. 

Article II

• President and vice-president are elected every 4 years.
• Constitution specifies that the president must be at least 35 years old, have been a US resident for at least 14 years and have been born in the US.