They created an Optical Illusion.
The way we see object in a specific area differs significantly depending on our distance and point of view when we see it.
To counteract it ( for example if they want the building to look nice in the picture), many architects create an optical Illusion and it will negate the effect of the distorsion
Newly arrived immigrants in some ways caused a lot of trouble to the economy. Especially for people who already lived in the area. One example of this is that immigrants created a lot of competition for jobs. Not to mention we didn't have t he money to fully support the ever growing amount of immigrants as well ( that why as many as 12 lived in 1 home).
That was the Gettysburg address because the Gettysburg battle was very violent and hit hard toll on the north
