Answer:
The Vice President's role as next in line for the presidency was officially
established by the 25th Amendment to the Constitution- B
Answer:
America was moving towards an industrialized, modern, capitalist economy:
Industrialized because industry was becoming more important than agriculture.
Modern because scientific and engineering progress were being applied to industry in order to increase production and efficiency.
Capitalist because people were producing goods for profit, not just for mere survival.
Answer:
Asserted that there was only one god.
During the development of an organism, from a single fertilized egg into adult form, cells become specialized through a process called differentiation.
During differentiation, genes that are activated determine the type of cell it will become. I hope that's what you need