What effect of prohibition does the political cartoon in chapter 13 section 1 illustrate ?

This political cartoon shows that Prohibition was not very effective and it had negative consequences because it encouraged criminals to take advantage on this, profiting on the illegality of alcohol to their own interests, resulting into the creation of mafias and organized criminal groups.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

c it says nothing about connecting those 2 seas.