Heavily patrolled by the coast guard, the through the delta are not open to foreign shipping.

Other attacks included the shelling of foreign shipping in Shimonoseki.

Danish waterways were consequently opened to foreign shipping.

Emperor Shun-Chi's opened the doors to allow more foreign shipping which created the new era of international trading.

During these actions foreign shipping was also affected, leading to British intervention.

Both claimed the Baltic as theirs, and promised to protect foreign shipping.

The slave trade was not abolished until 1836, and in 1844 Angola's ports were opened to foreign shipping.

From there, they eavesdropped electronically on foreign shipping and on military sites along the Caspian coast.

Various frictions with foreign shipping led Japan to take defensive actions from the beginning of the 19th century.

In 1859, the tonnage of foreign shipping calling at Zanzibar had reached 19,000 tons.