What to know

• 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