It is because leaders of this generation are closed-mined. Things will get a lot better when the next generation of leaders replace them(2040). That is only if the nation survives till then.
No they should not send any troops right now because they are at war with muslim organisations. If they really are muslim then they will not destroy holy sites. However if they are Israeli agents then yes send troops.
Also if there is any chance of Pakistani involvement it should only be...
I'm sure Russia would like access to the Mediterranean but to get to Gaza strip they would have cross quite a few countries by land which will defeat the purpose.
The world would be a better place today with more of the Arabs united (ottoman empire). Only nation to benefit from both world wars was the USA. Kinda says something right there.