It took more than how many years for the Lincoln Memorial to be built and open to the public?
50
100 years
100 years
100 years
20 years
100 years
50 years
11 years
1939
100 years
20 years
125
1939
5
1
2 years
100 years
4
20 years
125
5
1939
58
1
11
4
5
57
100 years
2
1
11
125
1939
58
17 years
4
5
16 years
2
50
1
11
57
125
4
1939
58
5
2
50
20
59
1
11
3
66
100
108
57
100 years
4
125
5
2
50
20
58
1
17 years
11
3
100
102
25 years
66
4
5
108
57
100 years
2
50
20
59
1
11
3
125
100
58
16
4
102
5
66
2
50
20
1
11
3
108
57
100 years
6
100
114
16
125
40
4
58
5
2
50
20
59
1
102
11
60
3
6
100
16
108
100 years
40
106
4
105
125
5
2
50
20
1
7
11
115
60
3
57
6
100
114
102
16
25
66
40
4
58
104
5
108
100 years
2
50
20
1
7
11
60
3
125
6
100
10
16
17
25
40
4
105
59
102
61
5
2
50
20
1
7
11
115
60
3
108
57
106
6
100
10
16
17
125
25
66
40