Use the Images Below and Your Knowledge of World History

Use the images below and your knowledge of world history to answer all parts of the question that follows.
James Cheshire of Spatial Analysis has visualized British, Dutch, and Spanish historical shipping records to produce maps of eighteenth-century shipping trade routes. Global Shipping Traffic 2012 (A) Identify and explain ONE continuity between patterns of trade in the two maps.
(B) Identify and explain ONE change between patterns of trade in the two maps.
(C) Explain ONE limitation in using the two maps to explain continuities and changes in global trade patterns over the past 300 years.