The answer is Raul Castro , he is the brother of Fidel Castro , who died (November 25 2016).
Ultraviolet light, Infrared light and Gamma Rays are the three main ones
The Articles of Confederation withheld many powers of governance from the federal government, causing it to be simply too weak. For example, the federal government could not collect taxes, which is necessary to governance. The federal government could not properly enforce laws, since any states could decide to ignore a law it didn't like. It didn't even have judicial power as the Courts weren't invented under the Articles of Confederation.
It created a federal government that was too weak to even govern.
Hope that helped.
Martin Luther was a monk, they sold indulgences and preached incorrectly, he made the 95 thesis, he printed the Bible in German so people other than just the priests could read it