Answer:
The revolt of Spartacus began, more or less, as an accident; the original plan of the gladiators, according to the historian Plutarch, was simply to escape Their Slavery. The actual motivations behind Spartacus' revolt do not detract from his accomplishments, however.
Explanation:
During Grant's war of attrition,<em> it was bad that the Union army stayed on the offensive</em> <em>because their defensive positions each time were poor</em>. Their number of casualties grew poorer each time that they battled. But, despite this, Grant believed that the Union's supplies and manpower could overwhelm the Confederacy. Grant predicted that <em>this war of attrition would weaken the Confederacy</em>. Finally, there was no winning of neither side, but future consequences, as the Confederacy came to an end.
Many Native American tribes fought for land but usually lost, when other tribes accepted the Ordinance and sadly died.
Need for Raw materials and Social Darwinism was used as an excuse.