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They grouped these behaviors into those that required no tools; those that required simple tools, such as using a leaf sponge to get water from a tree hole; and the most complex behaviors that relied on a toolset.

"As an example of such a toolset, chimpanzees in the Congo region first use a strong stick to dig a deep tunnel through hard soil to reach an underground termite nest," explains Gunasekaram.

Despite being a lifelong conman, Trump's toolset of manipulation is surprisingly limited.

President Trump, facing a surge in 2019, managed to solve it with the same toolset Mr. Biden has at his disposal.

“Our goal is to give you the same kind of power, the same toolset, that we use to bring Fortnite to you season after season.”