According to the Constitution, Congress exercises which of the following powers?

In the Iranian constitution drafted in 1979,

a. features a separation of church and state. b. requires Iranian economic and foreign policy to be based upon Islamic criteria. c. creates a constitutional monarchy, as well as a bill of rights. d. does not provide for free education, and prohibits scientific research.

Explain the significance of Lawrence v. Texas and United States v. Windsor in regard to the advancement of civil rights in the United States for the LGBTQ community. 

What will be an ideal response?