In which branch of government does a mayor operate?

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

The venn diagram below shows some services provided by state and local governments. the answer choices are (1) - creating a police force, (2) - regulating taxicabs, (3) - regulating savings banks, (4) - issuing driver licenses.

Which of these events was a severe setback for the u.s. war effort in the pacific?