Об­ра­зуй­те от слова WEAK од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

He first became famous for his Martian Chronicles, a collection of short stories concerning colonization of the planet Mars. In it, Bradbury portrayed the strengths and ______ of human beings as they encountered a new world.