And it has cleverly adapted toward an attrition strategy that has badly strained the U.S. arsenal, threatened civilian infrastructure across the Middle East, and added a new dimension of power ...

NATO has been in crisis since the moment it was founded. The alliance has weathered more than a dozen severe episodes of disagreement among members over money, strategy, military operations, nuclear ...

Command sentences tell somebody to do something. Bring me the ball. They usually start with an imperative verb, sometimes called a ‘bossy verb’ because it tells someone what to do. These might be ...

When we write things down it's important to keep things nice and clear, so it's easy to read. Sentences help us give an order, ask a question, state a fact or express an emotion or idea. Words are the ...