What Was a Major Consequence of Invasion of Crimea and Eastern

What was a major consequence of invasion of Crimea and eastern Ukraine for Russia in 2014?

A) Increased Russian military spending undermined production for the consumer sector.
B) A surge in nationalism in Russia caused industrial production to rise.
C) Western sanctions and falling oil prices sent the economy into recession.
D) Raw materials from the occupied areas fueled a resurgence of Russian manufacturing.
E) Prices fell as the ruble gained value.