at the bottom of
Covertly responsible for; being the real origin of.
Synonym: behind
I should have known you'd be at the bottom of all this!
2nd, That before the present land was made, there had subsisted a world composed of sea and land, in which were tides and currents, with such operations at the bottom of the sea as now take place. Source: Internet
About 60% of the bank’s Business Correspondents operate in Tier 5/6 towns and villages allowing financial access to people at the bottom of the pyramid and maintain social distancing norms. Source: Internet
About himself, Dawkins continues, "I am agnostic only to the extent that I am agnostic about fairies at the bottom of the garden." Source: Internet
2: Obligate anaerobes are poisoned by oxygen, so they gather at the bottom of the tube where the oxygen concentration is lowest. Source: Internet
After finishing the last mission and accompanying cut scene leading into the credits, return to the main menu and New Journey + will be there waiting at the bottom of the page. Source: Internet
A drain is situated at the bottom of the play field, partially protected by player-controlled plastic bats called flippers. Source: Internet