On Sunday, five international news outlets published a selection of more than 250,000 U.S. diplomatic cables, provided by the website WikiLeaks. The disclosure of the cables, most of them from the past three years, offers a rare unfiltered view of the secretive world of high-level diplomacy. As such, it could complicate relations with a host of friendly and unfriendly nations.

But what did we actually learn? Here are 10 key revelations from the cables: