Yes, it is d. Hope this helps
Because they were in the middle of europe it was hard to focus on one front in general. So when they choose to focus on the Eastern Front they lost the battle on the western front
The Marshall plan gave economic aid to the third world countries making them democratic instead of communist
They had a lot of power back then because they had a great army with a great pilot which means leader
2011–2017 Syrian Civil War spillover in Lebanon Lebanon
2011– Iran–Saudi Arabia proxy conflict Saudi Arabia Iran
2013–2017 War in Iraq (2013–2017) Iraq
2015– Yemeni Civil War Yemen Saudi Arabia United Arab Emirates