Just like the Gulf of Mexico, Lake Ontario is a shared international waterway and multiple international, federal, and regional agencies oversee it. The president cited his tariff fight in a social media post, saying the United States doesn’t expect to be “doing much business with Ontario any longer.” Key points and original sources are listed below.

• Just like the Gulf of Mexico, Lake Ontario is a shared international waterway and multiple international, federal, and regional agencies oversee it.S1

• The president cited his tariff fight in a social media post, saying the United States doesn’t expect to be “doing much business with Ontario any longer.”S2

• Trump floats Lake America rename as USCanada trade war deepensS3

• Trump floats renaming Lake Ontario to "Lake America" and accuses Mark Carney of fabricating claims about French-language demands in trade talks.S4

• Trump gives "serious consideration to changing the name of Lake Ontario to Lake America," and he may not be "doing much business" with the province.S5