The Mayflower Compact
The earliest known document that Americans look to as part of their democratic heritage is the Mayflower Compact. It was agreed to by the Pilgrims in 1620.
Magna Carta
Magna Carta Magna Carta
The Magna Carta.
Black Americans have heritage.
The answer is in the question; Americans that have African continental heritage.
Freedom
Heritage some thing which we get from our ancestor.
It has not been established that African-Americans dopreserve their family heritage more than other American groups.
A rich Mexican heritage.
Democratic,secular,unitary,constitutional republic with an ancient cultural heritage.
African Americans show pride in their heritage with name changes, studying Black History, and celebrating Kwanzaa.