Considerando que todo texto possui uma função comunicativa qual é o mensagens que a letra da Canção da América buscou transmitir​

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.

In vernonia school district v. acton, the school district argued that a drug test was illegal under any circumstances. no student could refuse to take a drug test. drug tests were not given at random. drug testing was necessary to protect all students.

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?