This explains the slow advance of the column noted in many first hand accounts.

Fifteen minutes passed, a half-hour, the minute hand began its slow advance toward the hour of nine.

Meanwhile, the rest of the battalion continued the slow advance inland.

The Soviets succeeded in limiting them to a slow advance.

With the satchel in his other hand, he began a slow advance through the tunnel.

He resumed his slow advance across the room toward the two women huddled together.

After four days of slow advance, the town was taken.

Yet there was nothing unnatural or harsh about this slow advance.

Still, to hug the side of the heights was to make only a very slow advance.

On 21 June the division continued its slow advance.