useless trivia: What Word Means: Serious - A Burial Spot?

Questions

During World War I, the punishment for homosexuality in the French army was --------.?

During World War II, the original copies of the U.S. Constitution and the Declaration of Independence were taken from the Library of Congress and kept at -------------, Kentucky.?

In the early fifteenth century, scholars in China compiled an --------------- consisting of 11,095 volumes.?

The color ----- was first used in the Afghan War in 1880 - the color was considered good camouflage.?

In the marriage ceremony of the ancient Incas, the couple was considered officially wed when they took off their ---------- and handed them to each other.?