Complex sentence: In the USA a method of evaluation called a Shovel test pit is used which is a specified half meter square line of trial trenches dug by hand.Often archaeology provides the only means to learn of the existence and behaviors of people of the past.
Split into simpler sentences: In the USA, a method of evaluation called a Shovel test pit is used which is a specified half meter square line of trial trenches dug by hand. Often, archaeology provides the only means to learn of the existence and behaviors of people of the past.