Reagan's speech, emphasizing freedom and reunification, deliberately asked for more than Gorbachev would stretch to, which The Times saw as an effort to undercut Europe's perception of the Russian as a leader of peace. (The Soviet press agency Tass called it an “openly provocative, warmongering speech.”
Assuming the options are crowded out, rich flora, plunge pool, or flowing stream, the answer would be <u>crowded out</u>. This implies that there isn't enough room for something, a negative idea, whereas the others describe nature.