UnScramble this Word: o p a e r d c m?

Questions

which ancient chinees game is usually played by 4 people using 2 dice and 136 tiles?

what was the name of the ruling dynasty of scottland from 1371 to 1714?

which us author wrote the "murders in the rue morgue"?

who catained the argentinian world cup winners in 1986?

which us president delivered the gettysburg address?