Which statement describes the way war bonds raised money?

a. the government received a cash loan from the buyer; the buyer received the original amount back plus interest.
b. the government received a cash contribution from the buyer; the buyer donated money that was not returned.
c. the government paid a cash loan to the buyer; the buyer paid back the loan plus interest.
d. the government received a cash loan from the buyer; the buyer received back only the interest on the loan.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.