N which situations below would it be helpful to know the climate of a region? Calling your friend who lives on the other side of the world Traveling to Sydney, Australia Doing a project on the different forms of government around the world. Researching floods and their impact on communities around the world. Item at position 4

Explanation is in the file

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the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.

i think it's severe storms but i might be wrong