You should move these structures from the stack to the heap to avoid a potential stack overflow.

As the day drew near it was obvious that it would not bring unmixed joy. Ominous rumors were coming from Sian in the northwest, where Young Marshal Chang Hsueh-liang and his troops were now stationed.

Thank goodness that the war is over!

The time of year a twelvemonth past, / When Fred and I would meet, / We needs must jangle, till at last / We fought and I was beat.