Please help!!!!!!

<p>These are AP comparative government questions…please help me out with these questions</p>

<ol>
<li><p>Describe a power that the Mexican president had before the early 1990s and still has today</p></li>
<li><p>Describe a limitation on the Mexican presidency that has come about since the early 1990s as a result of political liberalization. </p></li>
<li><p>Describe a policy initiative taken by a Mexican president since the early 1990s and assess the impact of the limitation you identified in 2 on the success of the initiative.</p></li>
</ol>