How the early 19th century role of the citizen differed from that of the revolutionary era. phrased another way, what did the term "citizen" mean in 1787 and in 1830?

See the explanation below.

Explanation:

In 1787 the United States constitution was drafted, but the constitution did not explained anything about citizenship. However, it mentioned about the "citizen of the United States" at that time the infant United states followed the concept of British common law and accepted the rule of Place of birth.

In 1790 Naturalization act was enacted in the United States which provided the first ever rules which need to be followed to grant the national citizenship to free white people.

In 1848 Treaty of Guadalupe was signed which extended the citizenship to all persons living within the territory of the United States following the Mexican war.

the answer is: the sesquicentennial of the american civil war is an occasion to consider the legacy of that great conflict. this legacy is our inheritance, and despite many indelible features, we continue to negotiate the resolution of that conflict. the civil war was fought over slavery, but not always on behalf of slaves