The positives were that you actually had a home and the negative was that you had a part of the military. another positive was that you had to chance to cultivate the downside was that you had to give a set amount of your harvested crops to your duke/duchess or whoever owns said land. I hope this will give you some pros and cons to feudalism
The immediate cause was because President Carter decided to allow Iran's desposed Shah into America so he could receive cancer treatment.
The Vietnam War was unpopular the whole time but the opposition Grill in 1968 at the Viet Cong lunch the massive offense against Keith cities the military Center the u.s. troops levels escalated so did the casualties as for the Warriors the whole time was unpopular when will it was a no-win situation many people believed with good reason that our development is that the Vietnam was not accomplished in anything yet the enormous numbers of people dying in horror flick and photographic videos were sent back to the US which showed civilian population horrible it was another reason was the war was so pointless was that though the communist countries would Ally together we ignored the fact that all Asian countries hated each other communities do not after defeating as the Vietnam invaded Cambodia and crushed the comunist Khmer Rogue ,one of the few groups that was worse than the nazis
The first official president of the USA, was George Washington.
Well, i think the answer would be : Standardized weight and measures
Standardized weight and measures first developed by the muslim merchants in Cairo. Before this standard, Length was measured by the length of one's body.
For example to measure silk, the usually used the term such as 1 arm length.
The thing is, many traders started to hire shorter people to measure this to gain profit , making exchange often became problematic
hope this helps