Spanish addressed de las Casas's criticisms of their brutal treatment of Native American groups because <span>Queen Isabella required the Conquistadors to adhere to a strict code of standards, similar to chivalry</span>
The best option from the list would be that "<span>Queen Isabella required the Conquistadors to adhere to a strict code of standards, similar to chivalry," although very few of the conquistadors followed this rule. </span>
The main reason for british colonization of Singapore was to obtain use of its harbor and ports. Singapore was in a very strategic position for certain trade and shipping routes.
