Which explorer made the first crossing of the antarctic circle in 1773?

Crossing the circle in 1773, James Cook and his crew crossed the Antarctic circle for the first time. He discovered isolated islands but found no continent. Little did he know that he had been just 128 kilometres from the Antarctic coast at one point in his journey.

Explanation: So it is James Cook give me the brainiest

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

< 3

the answer to your question is:

strong-mayor system