Q: What is Universal Design for Learning?

A: Universal Design for Learning is a set of principles for curriculum development that give all individuals equal opportunities to learn.

UDL provides a blueprint for creating instructional goals, methods, materials, and assessments that work for everyone--not a single, one-size-fits-all solution but rather flexible approaches that can be customized and adjusted for individual needs.
http://cast.org/udl/index.html 
http://www.udlcenter.org/aboutudl/udlguidelines

Q: How I can visualize data? I want to show US Crude Oil Imports By Source, 2011 as a map.

A: Google>>Fusion Maps is a good place to experiment. Here is what I found on

US Crude Oil Imports By Source, 2011:

https://www.google.com/fusiontables/DataSource?docid=16OLwvCqQoplrHkiUb1CmOz3S90mJszD2FQtEZHc

Choose Visualize>>Intensity Map. Pretty cool, ah?