A common trait shared by many developing nations is that they have less developed infrastructure. In most cases, their infrastructures are possibly failing, insufficient or non-existent. Inadequate infrastructure could be a barrier to economic growth.
The answer would be letter A.
<span>President Reagan responded slowly to the crisis while research funding increased under president bush.
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The answer is: The Byzantine emperor.
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Nazi leader Adolf Hitler violates the Treaty of Versailles and the Locarno Pact by sending German military forces into the Rhineland, a demilitarized zone along the Rhine River in western Germany.