D I think since there are children in a factory :)
Answer:
Grand Duchy of Moscow
Explanation:
Looking at the modern-day history of Russia. It can be inferred that the name Russia metamorphosed from some previous names given to the location of territory.
Hence, the name of present Russia started from where it began with
1. Grand Duchy of Moscow -1283–1547
2. Tsardom of Russia 1547–1721
3. Russian Empire 1721–1917
4. Soviet Russia 1917–1922
5. the Soviet Union 1922–1991
6? Russian Federation 1991–present)
Therefore, in this case, the correct answer is Grand Duchy of Moscow -1283–1547
Tanks in warfare are used as support for infantry and should be used for aiding the infantry through heavily fortified areas. The armor of the tank is the most important as it allows the crew to break through fortified positions without being harmed.
