Which term means the level of effort required to complete an activity

What strategy is this ad using to get people to support its product? o o lt claims that everyone agrees that these basketballs are the best it details how these basketballs will improve performance. it provides stats about players who use these basketballs. it uses a celebrity to endorse these basketballs.

One of the observations by someone who was present for roosevelt's speech was, "its clarity, logic, and sincerity struck us." quote one example from the text that you would describe as clear, logical, or sincere. explain the language in your chosen quote correctly, and tell why it can be considered clear, logical, or sincere.

Match the people with the appropriate description. vernon and irene castle arthur murray fred astaire willi ninja a. stylized the forms of ballroom dance by incorporating other dance forms b. responsible for renewing the influence of ballroom dance in america c. godfather of vogue danced. responsible for standardization/teaching of steps leading to spread of ballroom dance education