What did the civil war decide about the relationship between state governments and the central governments

Which one is grammatically correct? a. she doesn't do chores. b. she doesn't chores. c. she don't chores. d. she don't do chores. i know the last one sounds like slang, lol

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.

I'm writing a persuasive speech about texting and can anyone me out?