Britain gained control of the SuezCanal in two main steps. First, Britaintook partial control of the canal in 1875 This happened because the ruler of Egypt had financial problems. He owned a large bloc of shares in the canal and sold them off to take care of his debt.
Three ways how land was divided during the middle ages was that Landlords leased out land in exchange for loyalty which enabled them to gain more land in return over time. Warrior landlords built small armies to protect their manors, what also happened was that small independent economies arose, which were centered on large agricultural manors.