Actually, it is unlikely that Henry uttered those precise words. The phrase was first attributed to him in 1816, more than 40 years after the revolution. Regardless, Henry’s speech encouraged Virginia legislators to provide troops to the Revolutionary War effort, helping to create the Continental Army less than three months later. After the revolution, Henry became the first governor of the state of Virginia.
The correct answer is - trade.
The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.
Christopher Columbus sailed West from Spain and discovered the Americas.
According to the Wikipedia, Saladin "was the first sultan of Egypt and Syria and the founder of the Ayyubid dynasty." He was a Sunni Muslim, "who led his military against the Crusader states in the Levant."
Hope it helps!