PEOPLE WHO DISCOVER SOMETHING FIRST

TRAIN OF HORSE-PULLED WAGONS

THE BORDER OF LAND NOT SETTLED YET

TRAIL SETTLERS USED TO GET TO THE WEST

TO ADD ONTO SOMETHING

THE RAILROAD THAT GOES COAST TO COAST(EAST TO WEST)

QUARRY BETWEEN THE DAKOTA SIOUX AND THE WHITE ABOUT LAND IN THE US

TO PUT ASIDE LAND FOR FREE

LOTS OF PEOPLE WENT TO CA FOR GOLD

GIVING LAND AWAY TO PEOPLE WHO'VE LIVED ON IT FOR 5 YEARS

MOVING INTO THE WESTERN LAND UNCLAIMED BY OTHERS

BELIEVING THE EXPANSION WAS JUSTIFIED