During an economic crisis, John Maynard Keynes would most likely encourage a government to:
O A. cut government spending to avoid a budget deficit.
O B. borrow money to pay for economic relief programs.
C. seize control of the country's largest businesses.
D. allow businesses to freely develop a solution.

Joe pays ann to mow his lawn and ann mows vanna's lawn by mistake. vanna peers out her window and sees ann mowing, yet says nothing to ann about her mistake since vanna needs to have her lawn mowed. when ann approaches vanna for payment, vanna refuses, arguing that she never asked ann to mow her lawn. under these circumstances, ann can recover payment from vanna under: