Which of the following best explains why many of the earliest civilizations developed in river valleys following the neolithic revolution?

a)river valleys provided early civilizations with fertile soil that allowed for farming.

b)river valleys were excellent locations to hunt animals needed to feed early civilizations.

c)falling water levels in rivers early civilizations to travel long distances more easily.

d)rising temperatures forced people to move from mountains to safer river valleys.

A. for Apex River valleys provided early civilizations with fertile soil and that allowed for farming.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.

answer

the speaker of ,’i want politician to make more of an effort for lgbt rights’, will be served well by joining an interest group.

explanation

an interest group is one that aims at influencing public policy on reasons derived by a common interest .in this case, lgbt rights are rights for the gay society which is a special group of individuals with specific interest concerning their relationship with other individuals. hope this !