While the Mexican constitution is remarkably similar to that of the United States, a 1977 reform (passed by the PRI, which later worked in favor of the opposition) was a change from a to a .

single-member district plurality; mixed electoral system.

Explanation:

The Mexican 1977 constitution passed by the PRI was a change from a single-member district plurality to a mixed electoral system where an end was out to the ruling party's monopoly in elections that always lead to a authoritarian government.

The reform divides Mexico into government in large cities and most modern states of Mexico headed by opposition leaders. Therefore, the president has no autonomy In ruling without consent from the opposition party

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.