In 1980, direct U.S. business investment abroad was about 13.5 billion dollars. From 1980 through, 2010, that investment grew at an average annual rate of 11.24%. From 1980, how long did it take (in years) for U.S. investments abroad to double

Someone's preference in politics usually based on the value and principle that we have. If, a scientist somehow negatively displayed a certain aspect/behavior of politics, a lot of people will see that as an attack to their value/principle, which will lead to public attacks toward that scientist. Because of this, many scientists are cautious about this topic