Answer:
The nation that gained its independence the earliest was The Philippines
Vietnam, Cambodia, and Laos won their independence in the 1950s
Explanation:
Slaves for their plantations
Analogous structures would be the correct answer because a fish and a dolphin tail have similar structures, suggesting that they evolved from a common ancestor.
It was "Charles Darwin" who argued in The Origin of Species that living things have changed over time because of the struggle for limited resources--also due to a process called "Natural Selection".