What are some references to Roosevelt's speech Vs. Kennedy's speech?

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Iopened the door quietly, then stood in the doorway rewrite using ..ing participle

Plz me (a) assignment how-to essay submit your essay, illustrated with at least one visual. review your how-to essay, and make sure you've met the following requirements: describe a process or procedure using specific information. describe each step clearly. use second-person point of view. include all materials and steps needed for the task. include a minimum of one visual that demonstrates or supports your procedure. use chronological order and transitions that lead readers through the sequence. use language and tone appropriate for the audience. use complete sentences and correct capitalization, punctuation, and spelling. use spell and grammar check functions before submitting your draft. ill get my own picture just right every ting down

According to the riddle of the rosetta stone, what problem did both jean-francois champollion and sylvestre de sacy face in their attempts to decipher the writings on the rosetta stone?