In 2016, more than half the countries in the world had gross domestic products of less than $40 billion U. S. dollars. Does this mean that the billionaires in this graph are wealthier
individually than almost half the countries in the world? Why or why not?

When did paul zoll develop cardiac pacemaker

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.

The 20th amendment, also called the lame duck amendment, decreased the amount of time between the presidential election and the inaugration of the new president. what are the advancements that allowed for this amendment?