He was a commodore in the United States Navy who, in 1846, claimed California for the United States.
He did that because rome started to fall and was taking pressure by north countries.Byzantium was the best solution because of it's geographic location and it could control the trade
Marco Polo was a Venetian merchant who travelled the Far East reaching the empires of China and Mongolia. Along with his family, interacted with the emperors of both countries and was believed that he was once a special guest of a Chinese emperor during his travels. His voyage made the Europeans know more about the lands at the Far East of the globe and became vital for trade and industry.
There were four major consequences of Second World War on India and they included high inflation which was on account of war expenditure, the value of Indian currency took a nose dive, economic imbalances due to currencies exchange problems and the development of exchange control. Lmk if this helps :)