Question

Lyndon Johnson helped settle a potential railroad strike by:

ordering men back to work
holding negotiations at the White House
calling in Federal troops
talking with union leaders

Answer 1

Lyndon Johnson helped settle a potential railroad strike by holding negotiations at the White House

Answer 2

Lyndon Johnson helped settle a potential railroad strike by "holding negotiations at the White House," since this way both sides were able to meet and feel respected by the federal government.