Which of these is an example of a temporary cultural barrier to solving a problem at hand?

Many people do not believe that disease can be transmitted through water. 

The biggest was people didn't believe disease could be gotten through water.

Was giving by lincoln on march 4, 1865-as lincoln prepared to speak, the civil war was drawing to a close-lincolns address of 703 words was the second shortest inaugural address-lincoln mentions god 14 times-505 of the words were one syllable -he used the word "war" or it's pronoun 9 times

Accumulating more land so that your country can continue expanding without running into problems such as overpopulation