Florida has 1,350 miles of coastline or shoreline.
California has 840 miles of shoreline.
Texas has 367 miles of shoreline.
Massachusetts has 192 miles of shoreline.
So the correct answer is Florida.
the most populous country in the world is CHINA
ep·och - noun
a period of time in history or a person's life, typically one marked by notable events or particular characteristics.
"the Victorian epoch"