The injustice of illegal quartering during the Revolutionary War led to the passage of the Third Amendment to the Constitution which states that: "No Soldier shall, in time of peace be quartered in any house, without the consent of the Owner, nor in time of war, but in a manner to be prescribed by law."
Americans, still upset at the quartering of soldiers in their homes, wanted to ensure that future Americans would never have to endure the same again.
The Texas white primary system was found unconstitutional by the Supreme Court, which decided 8–1. In that decision, the Supreme Court found that a state legislation passed in Texas in 1923 was unconstitutional because it allowed the state Democratic Party to discriminate racially. Most Southern states ended their selectively inclusive white primaries as a result of the case.
I'm pretty sure the correct answer is D, Spain, because only Southern Britain was part of the entire Roman Empire, and both Gaul and Anatolia were definitely part of the Roman Empire