I think my answer is correct, but I'm not sure.

How did the Lend-Lease Act help the Allied war effort?

A: The Lend-Lease enabled the United States to lend or lease more than $40 billion in weapons, vehicles, and other supplies to those involved in the Allied war effort.

I might go a bit further and claim that Russia would have collapsed without the convoys to Murmansk and to their Pacific seaport Vladivostok.

https://en.wikipedia.org/wiki/Pacific_Route

http://en.wikipedia.org/wiki/Pacific_Route

To determine if your answer is correct, you can review the information related to the Lend-Lease Act. The Lend-Lease Act was a program initiated by the United States during World War II to provide assistance to the Allied powers (primarily the United Kingdom, the Soviet Union, and China) by lending or leasing military equipment, supplies, and other resources.

To confirm the impact of the Lend-Lease Act on the Allied war effort, you can consider the following points:

1. The Act facilitated the provision of vital resources: Through Lend-Lease, the United States provided the Allies with over $40 billion worth of weapons, vehicles, aircraft, food, raw materials, and other supplies. This aid helped fill the gaps in military capabilities and sustain the Allied war effort.

2. It bolstered the military strength of the Allies: The Lend-Lease Act significantly increased the military power of the Allies, especially the United Kingdom and the Soviet Union. The U.S. provided crucial equipment like tanks, aircraft, artillery, and ammunition, which enhanced the Allies' ability to fight against Axis powers.

3. It ensured logistical support: The Lend-Lease Act also provided logistical assistance to the Allies. The United States helped transport and deliver the resources to the frontlines, thus overcoming the challenges of long supply lines and limited transportation capacities.

4. It boosted morale and strengthened alliances: By offering substantial material support, the Lend-Lease Act demonstrated the United States' commitment to aiding its allies. This assistance not only boosted the morale of the Allied forces but also solidified the relationships and cooperation between the Allied nations.

Considering these aspects, if your answer includes the information that the Lend-Lease Act enabled the United States to lend or lease over $40 billion worth of weapons, vehicles, and other supplies to the Allied war effort, it can be considered correct.