Reply to Strunz and Braeckel: Agricultural failures logically link historical events to extreme climate following the 43 BCE Okmok eruption

McConnell, J. R., Sigl, M., Plunkett, G., Reply to Strunz and Braeckel: Agricultural failures logically link historical events to extreme climate following the 43 BCE Okmok eruption, Proc Natl Acad Sci U.S.A., 10.1073/pnas.2019906117