A. Better machinery as industrial revolution took course between 1820- 1840
Answer:
Taxes, laws and the founding of the colonies
Stalingrad is now called Volgograd, a city located in southwestern Russia on the Volga River.
<h3>What is Volgograd?</h3>
Volgograd, formerly Tsaritsyn and Stalingrad, is a city and administrative center of Volgogradoblast, southwestern Russia.
In 1589, Volgograd was founded as the fortress of Tsaritsyn to protect newly acquired Russian territory along the Volga. Joseph Stalin organized the defense of the city in a major battle against the White Russian armies during the Russian Civil War, and the city was later renamed in his honor.
From August 1942 to February 1943, one of the decisive battles of World War II took place there. The German armies, at the limit of their advance, attempted to capture Stalingrad after bitter fighting during which the city was reduced to rubble, an army group of some 300,000 men was annihilated, and the German salient was cut off.
Learn more about Stalingrad here: brainly.com/question/502409
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