Over 200 years<span>. After the First Crusade (ending in 1099) the Crusades lasted off and on for over </span>200 years<span>. All of the crusades were unsuccessful except for the first, but after the third (with Richard Lionheart) negotiations allowed unarmed Christians to enter the holy city.</span>
This would be the concept of checks and balances, not giving one branch too much power.
The constitutional issue of freedom of the press was debated constantly after the release of the Pentagon Papers. The Pentagon Papers were a series of top secret documents that were only supposed to be seen by members of the federal government. However, these documents were leaked to the New York Times and Washington Post thanks to Daniel Ellsberg.
These papers showed that the American government had been lying to the citizens about the progress being made in the Vietnam War. These documents were supposed to be classified, however these newspapers published them in their newspapers anyways. This resulted in the battle between freedom of the press and the ability of the government to keep documents classified from the American public.
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<span>The states now faced serious and complicated questions about how to make their rules.</span>