At the end of the constitutional convention, the constitution was signed by

The constitution was signed by thirty nine delegates at the end of the constitutional convention.

39 Delegates.

Explanation:

The constitution of the United States is the most important document of the country. It was drafted in the year 1787. This makes the constitution of the country, the oldest constitutional text in the whole world which is still in force.

This was endorsed with the signature of 39 delegates out of the 55 delegates of the constitutional convention. These members of constitutional convention which was of Philadelphia.

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases

the decreasing neutrality of the u. s. in world war i

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