What is the correct meaning of artifacts

What is the best way to revise sentence number (12)

According to the article "clemente's impact wanes in puerto rico 40 years after his death," what happens in puerto rico in 2012 to celebrate the anniversary of clemente's 3000th hit?

Read this passage from the online article “top 10 reasons why everyone is doing yoga” by kathryn livingston. what type of propaganda is the author using? why are so many people doing yoga these days? there must be more to it than endorphins; there has to be a deeper reason why 20 million plus americans have fallen in love with this venerable practice. here is my top ten list – and if you’re a yogi, i’m sure you can think of more.