The US has utilized various methods and techniques to support regime change in other countries. One approach has been to provide funding and training to opposition groups who seek to overthrow their country's government. This was seen in the US support for the Contras in Nicaragua during the 1980s and in the funding of the opposition in Venezuela in recent years.

The US has also been known to engage in covert operations to influence political outcomes in other countries. This has included the CIA's involvement in the overthrow of the governments in Iran, Guatemala, and Chile mentioned previously, as well as more recent attempts to interfere in the political processes of countries like Russia and Ukraine.

Another tactic used by the US to support regime change is the imposition of economic sanctions on countries that are deemed to be hostile or non-compliant. This was seen in the US sanctions against Iran and North Korea, as well as in the more recent sanctions against Venezuela.

Overall, the US has employed a range of methods and techniques to support regime change in other countries, including funding and training opposition groups, engaging in covert operations, and imposing economic sanctions.
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