A lot of people died and they wore masks during the black death
<span>The
breakdown of old alliances among European powers and an arms race led
by Germany helped set the stage for the conflict, which was sparked by
the assassination of Archduke Ferdinand of Austria on June 28, 1914.</span>
Answer is [happened before the present day].
In the market economy, the decisions in the farm will be guided by the prices.
<h3>What is a market economy?</h3>
It should be noted that a market economy is when the forces of demand and supply determine the market.
In this case, in the market economy, the decisions in the farm will be guided by the price. The individuals also have a vital role to play.
Learn more about market economy on:
brainly.com/question/1659498
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He was elected in D. 1860.
Hope that helped you.