Clenching the fingers to make a fist, then relaxing and straightening them is an example of :Flexion followed by extension
To put it simply, joint will become shorter during flexion and will become longer during extension. When he made a fist, he curled ul the joints in his hand, and when straightening the arm, he elongate the joint on his elbow
One big effect visible today is the fact that Mexico is a contry with Spanish as the majority language. Additionally, the indigenous lost their culture and religion to a great extent and instead adopted the Spanish one.
The indigenous also mixed with Spanish and now Mexico is a land with many Mestizos, the mixed, and not as many indigenous.
The bill of rights and the constitution