Answer: trench warfare
Explanation: the last ‘old-fashioned’ war, before really effective airforce, armoured vehicles. Bogged down in mud for four years.
<span>November 22, 1643, Rouen, France</span>
A bartering system relies too much on being paid back/loyalty between 2 or more people. Money is more reliable as it allows for wealth to be distributed
1William Lloyd Garrison2Theodore Weld3Frederick Douglass4Sojourner Truth 5Benjamin Franklin<span>have</span>
Its because most rivers cannot go there