The development of an atomic bomb by the soviets in 1949 did all of the following led to the authorization of the development of a hydrogen bomb in the u. s. pave the way for a nuclear arms race between the u. s. and soviet union. increased psychological tensions in the u. s. and soviet union. led to a treaty that limited the number of nuclear weapons in the u. s. and soviet union.

a marriage ending by the death of a husband or wife.

explanation:

i don't see your choices but i'm just gonna give you my answer.

1.   île de la cité

2. 200 years

3. for the nave and choir

hope im right, havent learned about this in a year

the modern census, which measured household size, marital status, and employment, began in

a.

egypt

b.

china

c.

canada

d.

united states

select the best answer from the choices provided

a

b

c

d