Complex sentence: A resolution was reached in 1494 when the sovereigns of Spain and Portugal signed the Treaty of Tordesillas, which moved the Line of Demarcation about 1,110 miles west of the Cape Verde Islands.
Split into simpler sentences: A resolution was reached in 1494 when the sovereigns of Spain and Portugal signed the Treaty of Tordesillas. The Line of Demarcation was moved to about 1,110 miles west of the Cape Verde Islands.