The library of congress is responsibility of which branch or government ?

Which of the following was the eventual result of the allied attempts to contain soviet expanion

How does a comet change when it comes close to the sun

Match the following: 1. empirical the belief that an idea should be evaluated based on how it works 2. fundamentalism knowledge based on observation and experiment rather than theory 3. obtrusive to intentionally force ideas or intrude on others 4. pragmatism not religious or spiritual in nature 5. secular a religious doctrine that emphasizes a return to rigid principles