Answer:Emperor Hadrian
Under Hadrian's orders, the Roman governors of Britain began building the wall that would later be named for the emperor to defend the part of Britain they controlled from attack. In Hadrian's words, they wanted to “separate Romans from the barbarians” to the north.
What was Hadrian's Wall? Hadrian's Wall was a stone barrier built to separate the Romans and the Picts tribes in Scotland. It allowed Roman soldiers to control the movements of people coming into or leaving Roman Britain.
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Islam was introduced to South Asia by Muslim Merchants ( option B ) .
Operation Overlord was a massive campaign—an invasion of 4000 ships, 11,000 planes, and nearly 3 million men—that was launched on June 6, 1944. Despite a year of strategizing and a boatload of confidence, Eisenhower had a quiet plan in case his mission failed. If the armada couldn’t cross the English Channel, he’d order a full retreat. One day before the invasion, he prepared a brief statement—just in case:
Mass production led to a decrease in the demand for skilled workers. The reason for this was that craftsmen no longer needed to get a boy of a young age who would stay with them for many year where they would teach him the craft they were good at. All of this was changed by machines which were more efficient, faster didn'ttire, and required minimal maintenance compared to a human being. For this reason, the demand for skilled workers decreased.
Rough Riders
The Rough Riders were the troops under Theodore Roosevelt's command.
The Rough Riders were a volunteer cavalry unit. The unit was made of athletes and cowboys as well as general adventurers. Theodore Roosevelt was put in charge of this group of untrained men who were willing to fight. They were most used in the Spanish American War to take the island of Cuba. The men were recruited from the Southwest and because they were athletic and training in shooting and riding a horse they were useful in the war with little investment from the government.