Examples of primary sources include manuscripts, newspapers, speeches, cartoons, photographs, video, and artifacts. ... Secondary sources often use generalizations, analysis, interpretation, and synthesis of primary sources. Examples of secondary sources include textbooks, articles, and reference books.
They must be collected at the same rate across the country
2. Colonists could only trade with England
Answer:
Active in trade with others
Explanation: got it right on a test
Trenches were dug in a zigzag pattern so that if an enemy entered the trench, he could not fire straight down the line. ... The main trench lines were connected by communicating trenches, allowing for the movement of messages, supplies, and soldiers and were lined with barbed wire.