Expository writing is fact-based, so why does it sometimes include more than just facts?

Which diagram most accurately explains changes in media over time

Where did the first african american fighter pilots begin training?

What did the french national assembly decide? peasants would only have to pay one-tenth of their earnings to the catholic church. the government could not legally charge taxes without first holding a vote. aristocrats would still receive special privileges as long as they paid a higher tax. employment would be available to all people, regardless of their social class.