Why did the british move the war
to the south?

The british believed that large number of Southern slaves would join them in return for promise of freedom.  Southern seaports were closer to the British West Indies colonies if they could capture Southern ports, they could easily move troops back and forth.

i hope this

explanation:

max weber's 3 types of authority. the sociologist and philosopher  max weber  distinguishes  three types of authority—charismatic,  traditional  and legal-rational—each of which corresponds to a brand of  leadership that is operative in contemporary society.

the name of the theory is landmass theory.