Both "I am an American" and "I am American" can be correct, but they have slightly different connotations. "I am an American" explicitly identifies you as a citizen of the United States, while "I am American" conveys a sense of cultural identity or belonging. The choice between them depends on the context in which you're speaking.
They used it for fun and to joke people. They are both correct.
"You are an American" is the correct form of the verb.
American flag is correct.
Mommy is correct in American English, Mummy is correct in English.
American Novel.
The correct American Express number format is a 15-digit number starting with 3.
I believe the politically correct term is African American. So far as I know you won't get arrested for a hate crime by using the word Negro, but from what I've heard and gathered it's better to use African American.
As long as they are the correct size and voltage, which is pretty much standardized throughout the world, there is no difference in where they were made.
Supersede is correct English word whereas supercede is what American's generally use. Supercede is misspelt supersede.
The correct name is switchgrass. It is a native North American bunchgrass. It is a perennial warm season grass with a variety of uses from forage production use to biomass crop use.
Yes. It cleverly suggests correct use and wrongful use.
The correct spelling is "vigor" if you are in the US. Other parts of the English speaking world use "vigour" instead.