Why are Thomas Jefferson and Samuel Adams significant in American history?

Both are founding fathers which is already significant in tying them to american history, but most importantly both helped established the culture of the US, whether that be unalienable rights or the promise of freedom to all men.

Note:

These two men have a long list of achievements that make them significant in american history. I only listed a two.

no because we were not ready for war

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.