Answer:
tanks
Explanation:
tanks were a new invention in ww1
Need for labor few restrictions on us immigration laws
Answer:
The jobs relating to mass business paved the way for a global economy that is present today; the presence of mass business throughout the continent, even the world, blossomed thanks to the steam locomotive.
Explanation:
For example, British iron production increased nearly 2,500% from 1796 to 1854, evidently due to the invention of the steam locomotive.
Joseph Stalin was the leader during WWII
They were among eastern bloc nations