Which of the following is true of Trans Continental Railways?

Trans–continental railways run across the continent and link its two ends. They were constructed for economic and political reasons to facilitate long runs in different directions. Both 1 and 2 None of the above.

Both 1 and 2

Trans–continental railways run across the continent and link its two ends. They were constructed for economic and political reasons to facilitate long runs in different directions. Trans–Siberian Railway, Trans–Canadian Railway, The Union and Pacific Railways are some of the examples.