Complex sentence: According to a global opinion poll, 62% of Brazilians viewed the U.S. favorably in 2010, increasing to 73% in 2013; additionally, as of 2013,83% of Brazilians view U.S. influence positively.
Split into simpler sentences: According to a global opinion poll, 62% of Brazilians viewed the U.S. favorably in 2010, increasing to 73% in 2013. Additionally, as of 2013,83% of Brazilians view U.S. influence positively.