** i need answer now **
the 19th amendment became the law of the land
a. once congress had passed the measure
b. when president woodrow wilson signed it into law
when the republican and democratic parties endorsed it.
d. at the 36 states rectified it

Nwhich situations is the principle of cross-cutting relationships useful in determining relative age? check all that apply. a fault breaks through sedimentary layers. sedimentary layers form and then are tilted. igneous rock forms between sedimentary layers. sedimentary layers form over millions of years in a lake bottom. lava flows form on top of one another from several eruptions over time.