Answer:
As cities grew, city planners and workers scrambled to take advantage of new technologies to make life better for everyone. Transportation and new forms of electricity allowed cities to expand
Explanation:
Answer:
B. decreased Cold War tensions because people felt safe from nuclear attack on their homelands
Explanation:
"The war is won," he said in December 1945, "but the peace is not." The development of the atomic bomb and the subsequent arms race between the United States and the Soviet Union ushered in a new conflict: the Cold War. Einstein feared this battle would end with the destruction of civilization.
In the study of history the available documents for studying a certain period is unchanging over time.
Option: B
Explanation:
History is the study of events and phenomena over space and time. Space means where the particular incident is taking place. Time means the period of occurrence of particular event. A certain period suppose the period of sultanate or mughal empire requires some documents, records to be studied in detail.
And these available documents, records can never be changed over time. History is study of things over changing space and time. Archaeological evidences also keep some valid documents for studying historical events.
Answer:
A topographic map.
Explanation:
A topographic map is a map that aims to describe a part of the Earth's surface as faithfully and completely as possible by showing, among other things, natural features, relief, infrastructure, buildings, natural limits, boundaries. administrative and toponyms used. The color of a surface can also be considered as a symbol, as it provides information about the terrain.
Thus, topographic maps serve to establish on a map the different geographical features that cover a certain terrain, such as mountains, plateaus, plains, lakes, rivers, etc.
