The best location for early settlers to establish a settlement and meet needs such as farming and fishing would be B.
Point B is located in a patch of dark green near a body of water, which suggests it is close to resources necessary for fishing and likely has fertile land for farming due to the proximity to water. In contrast, the other points, while they may offer some advantages, are either too far from the water (A, C, and D) or do not offer the same level of resource availability as B does.