The shape would be a trapezoid, because trapezoids always have two sets of equivalent angles, while others don't. Like squares and rectangles have all 90 degree angles.
Yes, they were legitimate because there should be no taxation without representation. Many of the things they were being taxed on were used heavily succh as paper and tea.
Here's a reason why: Africans were strangers to the Americans. Because the Africans were poor, they didn't have any allies to watch out for them or to protect them.
I think you would need to tell both leaders to explain their problems then let the other world leaders put their mouths in.