It means that a group of people/a civilization that isn't/does not become open to new ways, and doesn't seek and desire new knowledge, is surely destined to be destroyed eventually. As progress and adaptation is probably the best way to secure your survival.
Answer:
B) A land invasion would result in too many casualties.
Explanation:
Japanese army was so tenacious that a land invasion would have cost way too many American lives
(mostly Marines and Army soldiers)
Answer: Having a lack of respect for each other's heritage. Not being curious about your partner's heritage, culture or religious beliefs. Failing to timely inform your families and friends of your holiday decisions. Forcing your children to feel as if they must choose between their father's or mother's religion.
Hope this helps :)
Answer:
I believe the answer is gold, sorry if i'm wrong, hope this helps, have a great day/night, and Merry Christmas!