 “ Nothing prevented Brazilians from inventing the combustion engine, the radio, the airplane, penicillin ” .(p300) But they didn't.
<fluency>  “ Nothing prevented Brazilians from inventing the combustion engine, the radio, the airplane, penicillin ” .(p300) But they didn't.
 " Nothing prevented Brazilians from inventing the combustion engine, the radio, the airplane, penicillin ” .(p300) But they didn't.