I believe it’s b because a hybrid economy helps people earn wages
"The... shall choose their other Officers, and also a President pro tempore, in the absence of the Vice President, or when he shall exercise the Office of President of the United States."
The battle began badly for the Americans when Lee botched an attack on the British rearguard at Monmouth Court House. A counter-attack by the main British column forced Lee to retreat until Washington arrived with the main body.
Lyndon B. Johnson took office after Kennedy was assassinated.
