What were the major patterns of native american life in north america before europeans arrived?

Before the Europeans arrived in North America, the Native Americans’ life revolved around routines which kept their lives intact and organized. They were engaged in hunting and gathering. They were also into the foundation of social- structure-technology and introduction of trade and market place-economy.  When the Europeans arrived, North America already had cities, roads, and systems for their irrigation, trade networks which were already extensive and other infrastructures. But then, North American Indians still lacked back then the technology the Europeans had like the mental tools and machines, gunpowder, and for navigation when it came to long distance, the knowledge on how to deal with it. 

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.

i think it’s will be a yes