Wich of these setos is second in the bill process

Based on the choices of the, and if we arrange that, here is the sequence.

1. The bill is introduced in Congress.

2. The bill passes in both houses.

3. The bill is send to the president.

4. The president signs or vetoes the bill.

It is assumed that, following the sequence, then the second step in the bill process is "The bill passes in both houses.