Para a realização da tarefa, acesse os seguintes links:

1) https://umpouquinhodecadalugar.com/brasil/o-ciclo-da-borracha-na-amazonia/

2) https://www.portalsaofrancisco.com.br/historia-do-brasil/ciclo-da-borracha

3) https://www.google.com/search?q=produ%C3%A7%C3%A3o+de+borracha+no+s%C3%A9culo+XIX%2C+na+amaz%C3%B4nia&tbm=isch&ved=2ahUKEwi4_ZOg3N3sAhWsBbkGHXqhD6QQ2-cCegQIABAA&oq=produ%C3%A7%C3%A3o+de+borracha+no+s%C3%A9culo+XIX%2C+na+amaz%C3%B4nia&gs_lcp=CgNpbWcQA1CiyQlYnugKYIDvCmgAcAB4AIAB4wGIAfpBkgEGMC40OS4zmAEAoAEBqgELZ3dzLXdpei1pbWfAAQE&sclient=img&ei=XcOcX_jaDKyL5OUP-sK-oAo&bih=700&biw=1423&rlz=1C1GCEU_pt-BRBR821BR821&hl=pt-BR