Answer: law of self-interest and the law of competition
Explanation:
Actually, there has been a lot of factors that paved the way for the rise of conservatism during the late 20th century, and one of which is the Vietnam War, wherein it was criticised to be much costly. In addition to that, the controversy of the Pentagon in the Iran Hostage Crisis were also significant events leading to conservatism.
Yes, the knowledge of classics changed the way the crusaders viewed the world.
Explanation:
In many ways the crusades were responsible for some of the bigger changes in Europe indirectly than previously imagined and it is often overlooked that they were the ones that brought the European classics back to Europe in the alter crusades.
Europe had already built its society on Greek and Roman influence but had also lost their knowledge.
This rediscovery made it so that there was a revival and there was an ostensible interest in getting those better times back into the fold of the new world.