Answer:Incumbent Democratic United States President Lyndon B. Johnson had been the early front-runner for his party's nomination, but he announced his withdrawal from the race after anti–Vietnam War candidate United States Senator Eugene McCarthy finished second in the New Hampshire primary.
Explanation:
As I recall it was rolled-steel girders riveted together, probably from shipbuilding, together with steam-powered winches and an abundance of cheap steel. As opposed to European cathedrals erected with animal-powered winches and with more expensive forged iron bracing (one of the big cathedrals has a kind or iron corset to keep the walls from bursting outwards).