Prohibited Americans from discriminating any citizen by race I think
The biggest difference between the Watergate Scandal and the Iran-Contra Affair is that the Watergate scandal was an internal politics problem, while the Iran-Contra Affair was a foreign politics problem. Both scandals were exposed by the media.
In the Watergate scandal, president Nixon was directly involved and exposed by the media as head of a group perpetrating illegal activities while it was never proved that President Reagan was directly related with the illegal aid to Contras and Iranian terrorist groups. So President Nixon was directly involved in the scandal.
The Watergate scandal was worse in my opinion because it is more famous and it was the only presidential impeachment in U.S. history, and that undermined the public image of american democracy.
People should become vegetarian because it is proven to be healthier and besides we should have compassion for animals; since there is way too much animal cruelty going around just to have a plate of meat on the table.
They could have come up with a paid labor system as well as invest in mechanical that would have revolutionized agriculture.
Breaking down the money that was used to buy slaves, and finance their travel,food and accommodation, one have enough money to pay labor, even though minimum wage for some several years. The problem have to do with the notion of supremacy and savageness that characterized the whole of humanity in that era.