Romanesque architecture is known by its massive quality, thick walls, round arches, sturdy pillars, groin vaults, large towers and decorative arcading.
One technique artists may use to create the illusion of a three-dimensional space in a two-dimensional work of art is the "trompe l´oeil" which means "fool the eye". Another is the Op Art, in which the artist creates optical illusions resembling three dimensions. Traditionally, lights and shadows were used to create the three dimensional form. Others use mixed techniques such as adding a photograph or other objects to the work.
There wouldn't be a USA, and...
the Indians would still have pretty much all of the Middle-west of the USA.
Hawaii would still be under their kings/queens
Alaska would still be part of russia
China would pretty much never had any technological progress (they isolated themselves)
Japan would still be going around with pretty much katanas.
etc etc
if you want more i can give you more (if you want information on why one is on the list, post it in the comments)
hope this helps
Religion played a major part on this, the Egyptians believed in any deity they chose
