Question

This country is the home of subsistence miners called garimpeiros, who originally mined gold but who also mine diamonds in the state of Tocantins. For 10 points each:
[10h] Name this country, the world's second-largest iron ore producer, which contains the vast majority of the world’s niobium reserves.
ANSWER: Brazil
[10m] The largest niobium deposit is in this Brazilian state, the second most populous after São Paulo, which is named for the productivity of its mining industry.
ANSWER: Minas Gerais
[10e] Strangely, the son of niobium magnate Walter Salles directed the movie The Motorcycle Diaries, based on a memoir by this Argentine revolutionary who opposed exploitative mining.
ANSWER: Che Guevara [accept either underlined answer; or Ernesto Guevara]
<TR>

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Summary

2023 BHSU @ Berkeley03/18/2023Y326.67100%100%67%
2023 BHSU @ Maryland03/11/2023Y316.67100%67%0%
2023 BHSU @ Northwestern02/25/2023Y524.00100%100%40%
2023 BHSU Online04/15/2023Y427.50100%100%75%
2023 BHSU @ Sheffield04/15/2023Y230.00100%100%100%
2023 BHSU @ Waterloo04/15/2023Y310.0067%33%0%
2023 BHSU @ Yale04/08/2023Y326.67100%100%67%
2023 BHSU @ Yale04/08/2023Y320.000%100%100%
2023 BHSU @ Yale04/08/2023Y310.000%100%0%

Data

Neg 5! Playing Quizbowl, Liddy StyleParth et al.001010
The Passion According to C.H.Milan et al.0101020
The Vulture's Guide to BuzzCameron et al.0000