Correct option is C
The correct answer is(c), b, c and d
According to Nicholas Spykman's Rimland theory, the Rimland primarily refers to the coastal areas of Eurasia, including Western Europe, the Middle East, and Southeast Asia. Israel, Brazil, and Pakistan are not located in the Rimland according to Spykman's definition.
Israel is situated in the Middle East, which is part of Spykman's Rimland. However, Brazil is located in South America, and Pakistan is situated in South Asia, both of which are not part of the Rimland according to Spykman's theory.
China is investing in the development of Gwadar port in Pakistan is correct but not in Chabahar port in Iran because Chabahar port is of India.
Diego Garcia is used as a naval base by US.