Thomas jefferson was important in the revolutionary era because

Explanation:

One of Jefferson's contributions to American history was the writting of the Declaration of Independence but his importance goes far beyond that, he served as an officer in the Virginia militia (colonel) before becoming legislator and governor of the independent state

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.