That there are numerous the same line is often sung over and over by recombinant groups of actors - didn't help matters. A)Setting.
B)Repetitions.
C)Expenses.
D)Hesitations.

Spread knowledge of agriculture to humans around the worldprevented human development of language and other ideaswas not a part of human life until only the last 2,000 yearsencouraged most human groups to maintain a nomadic life