invited to be sort of guests of honor at the first centennial celebration, a huge international expo in philadelphia. there they meet alexander grahm bell and his new invention, the telephone and are introduced to ketch-up. they meet mark twain. that time is not to last for long. a host of factors are in play to make sure the boys' adventure is cut short. in america in the west, anti-chinese sentiments is on the rise. the railroad is completed, no work, rampant unemployment, and, of course, the chinese are the first to feel these burdens. in 1882, the chinese exclusion act is passed kind of, you know, signifying this trend. in china to, the mandarins are growing suspicious of america, and by 1881, they say, party's over, we have to recall the boys back to china. mark twain writes letters on their behalves. mark twain writes new york and convinces former president at that point grant to write a letter on their behalf, and nothing helps. in 1881, they get back on the ship and sail back. now, they are not all together sad. it's true they left behind friend. most of them didn't get to graduate from coll