Great Britain taxes them on everything, especially tea in which they revolted and wanted independence
The 13th, 14th, and 15th Amendments, also collectively known as the Civil War Amendments were designed to ensure equality for recently emancipated slaves. The 13th Amendment banned slavery and all involuntary servitude, except in the case of punishment for a crime.
The 14th Amendment guaranteed African Americans citizenship rights and promised that the federal government would enforce equal protection of the laws.
The 15th Amendment stated that no one could be denied the right to vote based on race, color or previous condition of servitude.
They wrote a new constitution in 1917 after a 7 year revolution against the former government. the constitution made many changes and the first constitution that was given social rights, rights for healthcare, the right for a place to live and lastly the right to work in any occupation that you want. all these right were given to the people of mexico.
hope this helps.