Unrestricted submarine warfare, which became prominent in World War I, meant that submarines could sink any time of vessel at any time without warning. Before this, they had to surface first and place crews on lifeboats.
To end racism and seperation from African Americans and whites
The early river civilization between Pakistan and India is called Indus Valley Civilization. There were documents recorded in Sumeria about the religion, commercial and artist of the Indus Valley Civilization. This civilization was into farming because of the fertile lands.
The Assyrian army was the first <span>to use iron</span> in its weapons .
Texas was claimed after the Spanish war
