Which area of a geographical study involvs examining diffrent populations in the world, including thier distribution and trade patterns

Out of all the options shown above the one that best represents the area of geographical study that involves examining different populations in the world, including their distribution and trade patterns is Human Geography.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail