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On 2 June 2010, Chávez declared an "economic war" due to increasing shortages in Venezuela. The crisis intensified under the Maduro government, growing more severe as a result of low oil prices in early 2015, and a drop in Venezuela's oil production from lack of maintenance and investment.
Explanation:
here's some info
The Berlin conference in 1878 was an agreement to divide up African colonies between European powers, such as Germany, Portugal, France< England and Belgium. This was also dubbed "The Scramble for Africa" and led to the exploitation of Africans, notably in Belgian Congo and Rwanda
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The Chinese and the Mexican-Americans were the bulk of workers who built the American transcontinental rairoad in the 19th century. The Chinese arrived in large numbers in the second half of the century escaping poverty and turmoil in China, and there were large Mexican populations living in the USA. Only agricultural work offered more employment to Mexicans than the railroad works.
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