The conditions that made building the railroad difficult are
- Little access to supplies
- Drilling tunnels through rock
For better understanding let's explain what it means
- In the constructions of railroad by engineers, there are some physical and environmental features that makes construction very difficult to achieve. They include the harsh weather condition such as high temperature and pressure, high rainfall and others.
- Most time non or little access to supplies needed for the construction can result in delay. When there is shortage of building materials such as iron rods or cement, it can delay the work for days or months.
- Drilling through rock can be very difficult and as such requires good and reliable equipment and even as such it requires manpower and man hours of operating the machines.
From the above we can therefore say that the answer The conditions that made building the railroad difficult are
- Little access to supplies
- Drilling tunnels through rock is correct
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