Unlike Bush for six years, Reagan had a Rat Congress. Reagan also had to rebuild the military, which was more deteriorated than when Bush took over from Clinton. And the Soviet threat was far more dangerous than the Islamofascists.
he gave a real amnesty to illegals
After he received assurances that it would be the last time, and that the borders were going to be secured thereafter.
Reagan ran the executive branch, which was responsible for securing the borders. On whom was he relying to secure the borders?