Answer:
The Bessemer Process Helped Build Great Steel That Would Later Be Used To Make Railroads, And Railroads Was A Good Source Of Transportation Of Goods, People, And Etc Across The United States.
A decision typically has costs/benefits.the oportunity benefit is what you gain from taking an opportunity
Yes, the Holocaust really happened.
There are still people who went through it and survived, alive today,
who have told their stories of it, thousands of times over.
And those who perpetrated it kept very detailed records of their own victims.