The reason why Stalin pushed so hard for the US and Britain to open a second front against Germany was because Russia was bearing the burden of Germany's advance all by itself, and was suffering a great deal of losses in the process.
Answer:
Explanation:
Scientific knowledge can improve the quality of life at many different levels—from the routine workings of our everyday lives to global issues. Science informs public policy and personal decisions on energy, conservation, agriculture, health, transportation, communication, defense, economics, leisure, and exploration. Science helped us through stuff that got the impact that we have today without science we would actually be useless and it would have been way harder to live.
The Tang Dynasty of China when faced with rebellion from General An Lushan in their northern territories sought outside support from mercenary forces. This was done a number of times during the rebellion, these mercenaries were typically Arab, however, we also have examples of soldiers brought from Uighur to fight with the Tang and numbered in the thousands in the fight against Lushan's forces.
With the help of mercenary forces, the Tang were able to take back several important capital cities of China and effectively eliminated the rebellion of Lushan, as well as his later supporters and successors.