Nominating conventions replaced the caucuses (which was led by the congress) so when nominating conventions made it to where delegated from the states could vote, it let more citizens participate in choosing from the presidential candidates, this influenced the democratic government greatly.
The Second World War was started by Germany in an unprovoked attack on Poland. Britain and France declared war on Germany after Hitler had refused to abort his invasion of Poland.
I can only answer some of these but
3 - Harriet Beecher
4 - Popular Sovereignty
^ These are confirmed, I'm sure of it
Now, I'll assume on these ones
2 - Bleeding Kansas
1 - Wilmot Proviso
5 - Fugitive Slave Act
I apologize if I'm wrong on these
Remember, this is your own opinion. But 2 or 3 is probably a good answer.
It’s B I’m pretty sure hope it’s right