Which actress played Trinity in "The Matrix" trilogy?

Carrie-Anne Moss

What famous Chinese landmark began construction around 221 BC under Qin Shi Huang? What city became the first capital of the United States after independence? What Marvel Comics team originally combated supernatural and mystical threats? What Native American leader famously resisted U.S. control and was killed in 1890 leading up to Wounded Knee? What ancient numeral system used letters from its alphabet to represent numbers?