The proper nouns are Spaniards Aztecs and <span>Keyko </span>
Answer: A. Tigers play a crucial role in the Indian ecosystem, and their extinction would have devastating and wide-ranging consequences in that country.
Explanation: The purpose of the thesis statement is to summarize the main point of the essay. It states that tigers are important to the Indian ecosystem, and the thesis can be built off of why tigers play such an important role. The other options are incomplete or not strong enough to reiterate an essay.
