They dig and search for artifacts that were used in everyday life or they dig in search of cities. They also open tombs and explore things like that where evidence of early life might be found. Exploring the pyramids was a common thing and so was exploring South American ruins.
I will go with religion because Religion to me have been the oldest of all the option given. It is the only thing that connect the world.
D. Homeowners could not refuse to sell or rent property to families with children
Global positioning system (gps)
Answer:
The growth had different number of sources. The automobile industry was partially responsible, as the number of automobiles produced almost quadrupled between 1946 and 1955. A housing boom, stimulated in part by easily affordable mortgages for returning servicemen, which fueled the expansion.
Explanation: