What was the main purpose of the colonists writings?

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.

as marlow travels down the river towards kurtz's inner station, their steamboat is attacked by african natives. interestingly, marlow notices that the natives are only shooting small arrows the size of twigs at the steamboat in an attempt to scare them away and halt their journey.

explanation: