One key similarity would be that they all started off as colonial powers ruled by larger power in Europe. Most of these nations gained independence through revolution as well, while a smaller amount gained it by the European state giving the colony independence (canada, Jamaica), Cuba was also technically both (revolution against spanish to be ruled by America, given Independence by America). A big difference is that most of North america was ruled by the British and the French, while South and Central America were settled predominantly by the Spanish and Portuguese. This resulted in huge differences in culture, including language (English/french vs Spanish/Portuguese) and religion (Protestantism vs Catholicism).
Answer:
B. seasonal temperature changes
Explanation:
A shallow lake can be dried up in the summer by extreme heat and can freeze over in the winter due to cold. Also I just took this test and this was the answer
Cultural environment, hope this helps ;)