Russia, Ukraine- good relations! Crimea was in Russia, came back to Russia

You can read the news why Ukraine gave Crimea to Russia. Ukraine recieved instruction from the special organization to give Crimea easily to Russia Russian Federation recieved information: you can take Crimea without war. You could see that from Ukraine just talking about Crimea, but they didn’t do anything when Russia organized referendum in Crimea etc. What for Ukraine easyly gave Crimea to Russia? The conflict structures, who prepare big conflicts since second big war have there networks…