Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains....

Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains....

Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains....

Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains....