> I remember them being controversial at the time and expiring without opposition.

Controversial, sure, but the other part is only half right.

The “Alien and Sedition Acts” consisted of four separate acts passed in 1798, by their popular names:

1. The “Alien Friends Act” had a two year term and expired.

2. The “Sedition Act” had a two year term and expired.

3. The “Naturalization Act” had no fixed term but was repealed and replaced in 1802.

4. The “Alien Enemies Act” had no fixed term, and remains in force with some amendments.