After the annexation of Crimea, how did the economic sanctions imposed during the Obama Administration impact Russia's economy?

By mid-2016, Russia had lost an estimated $170 billion due to financial sanctions, with another $400 billion in lost revenues from oil and gas. According to Ukrainian officials, the sanctions forced Russia to change its approach towards Ukraine and undermined the Russian military advances in the region.

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equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.