What did William Adams, also known as Miura Anjin, bring to Ieyasu just before the Battle of Sekigahara?

At the end of the 16th century in England, during the reign of Queen Elizabeth I, when Shakespeare's plays were popular, sailors dreamed of going on adventures and finding success. One of their destinations was Japan. At the time, Jesuit missionaries and people from Catholic countries had already landed in Japan. However, for people from Protestant countries such as England and the Netherlands, the Far East was unexplored territory. For the curi…