Answer:
number 3
Explanation:
savanna is tropical grassland with widely scattered trees or clumps of trees. A Desert is a biomein which the lack of precipitation limits plants growth; deserts are found in both temperate and tropical regions.
Cotton gin was invented by Eli Whitney in 1793
A large supply of soldiers is the factor which enabled Russia to fight in world war I
Explanation:
It was recorded that Russia had the largest army in the world and this was the major asset for Russia to enter world war I. Russia and Austria-Hungary were in dispute over the area called Balkans . Russia had a very close relationship with Serbia and in Austria there were many Serbs who feared that they may be asked to convert into Austrian citizens. triple alliance was formed by Germany, Austria-Hungary and Italy which considered to be the major threat to Russia.
Russian government introduced great army program which increased the size of Russian army. Around twenty five million youth of Russia were in combating age and it increased the size of army. But the major problem was the deployment of soldiers in the war field. Due to the poor road and transporting conditions Russia experienced a great weakness in deploying soldiers during World war I
