"Your brother among them. And it was then you nearly gave up the gamble. You wondered if it might not be best to take your chips off the table. And pray the promise of the Virginia Convention that black runaways to the British side would be pardoned was genuine. And slink back home, your hat in your hand, to Master Selby’s farm—if it was still there. Or perhaps you and Caesar might switch sides, deserting to the ranks of General Washington who, pressured for manpower, belatedly reversed his opposition to Negroes fighting in the Continental Army. And then there was that magnificent Declaration penned by Jefferson, proclaiming that “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness,”"

QUESTION:
How do these lines create suspense? Please support with evidence.