Various Ships Converge On Brazil's Harbor For Fuel Or Shipping

The video discusses the arrival of various ships at a neutral port during wartime. The British cruiser Birmingham receives ships in war dress, while the British ambassador inspects the warship. A Brazilian freighter unloads war materials and railroad cars from Germany, which were held by the British for two years. The American freighter Robin Gray arrives loaded with US war materials. Additionally, artillery guns and carriages for Brazil's coastal defense are unloaded at Rio.

What was the duration for which the British held the shipment at Lisbon?

What types of artillery were unloaded at the port of Rio?