a method of creating the illusion of 3-dimensional space on a 2-dimensional surface by delineating a horizon line and multiple orthogonal lines that recede to meet at one or more points on the horizon giving the appearance of spatial depth. Worked out according to an underlying and unifying mathematical system.

How does iraqs geographical location ( desert-like environment ) affect it's politcal relationships? i've been stuck on this and i'm giving a lot of points

Which of the following are details about the compromise of 1877? election results in a couple of states were in dispute and too close to call. samuel tilden would be given the win in exchange for the removal of federal troops. the presidential election was close between rutherford hayes and ulysses grant. it was agreed troops would leave the south in exchange for a hayes victory.

What new concept did the the american revolution introduce into the world