The oil crisis was when Iranian Oil no longer was sold in the U.S. and it was a problem because that was where the oil came from and caused a shortage. I'm gonna say the first one?
It provided free and safe travel across the Silk Road, it isolated Russia, and helped spread the bubonic plague
For beach resorts, that would be Turkey. In the last few years, they put huge investments in their tourism industry and a lot of efforts in modernizing their resorts. Perhaps the most popular and eventually the best Turkey resort is Antalya. It is a very modern tourist destination, compatible with any Western Europe resorts in terms of attractions, service and prices. Plus, it is spiced up a little with the taste of the Orient. The diversity of products is wide and you can find what you are looking for whether you look for a family vacation or for wild night life.
<span>If you look for something more "inside Europe", Greece and Croatia are the only Eastern countries that can offer high quality tourism products. </span>
<span>For winter sports probably the best resort would be "Bansko" in Bulgaria. It is still in process of development though.</span>