Yes andrew Jackson was a considered an known hero
I believe it is 'national'
A nation-state must have a shared national identity, physical boarders, and a single government.
I’m not sure what you’re asking but here’s what i found and i hope it helps you.
The Indian removal act was signed into law on May 28 in 1830. the meant the president could negotiate with southern tribes for removal to federal territory west in exchange for white settlement
i found this online so it might not be correct but i hope it helps you.
