3. How does rationing demonstrate a change in the role of government?

Rationing allows governments to control demand, regulate supply, and set price ceilings, but it does not completely eliminate supply and demand laws. When rationing is in place, black markets often emerge. People can use these to trade rationed goods they don't want for ones they do.

Explanation:

the enslaved people onboard suffered from illness with some frequency

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.