He made geographical miscalculations.
Coumbus though that the world was small, and Asia was enormous.
His calculation was that Asia was 3,000 miles from Portugal
Pros were that they were able to work in the military and serve their country cons were that they were still segregated and after the war their treatment did not differ much from before
Books.. and ..... <span>News of his journey's increased interest in Asia.</span>
The fact that the government is divided into three branches is known as the "division of power" - the power is distributed to avoid power abuse, so that no instance has unlimited power.
The fact that the three branches are overlapping is known as "checks and balances" - the branches check the other ones (whether their function is lawful) and balance each other.