<span>Two major effects of the Crusades were that the kings' authority increased and the Europeans learned about new things from the Muslims they encountered.During the Crusades, the kings increased taxes to fund the cause. Many peasants also left their land to fight, and when they died, the land went to the king. With large amounts of money and land coming in, the kings gained power.</span>
Homefront liberties weren't protected because blacks were still undergoing segregation, Indians weren't given any land that was taken from their ancestors and still lived n reservations, Japenses- Americans were put into camps for " their own protection" and Mexican-Americans were also being segregated against and were being hunted by the INS or immigration for illegally being in the country.
The States use Federal system to rule the people.
Creating large armies, creating armies and navies, creating new weapons, and threatening to or invading other countries.